{"id":4225,"date":"2022-01-15T23:59:19","date_gmt":"2022-01-15T15:59:48","guid":{"rendered":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_algebra\/1-%e4%b8%80%e5%85%83%e4%ba%8c%e6%ac%a1%e6%96%b9%e7%a8%8b-%e5%9b%a0%e5%bc%8f%e6%b3%95\/"},"modified":"2025-03-31T14:03:35","modified_gmt":"2025-03-31T06:03:35","slug":"solve_by_factorization","status":"publish","type":"page","link":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_algebra\/quadratic_equation\/solve_by_factorization\/","title":{"rendered":"\u4ee5\u56e0\u5f0f\u6cd5\u89e3\u4e8c\u6b21\u65b9\u7a0b"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4225\" class=\"elementor elementor-4225\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4c4a52b5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4c4a52b5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-4628a41b\" data-id=\"4628a41b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-41a59474 elementor-widget elementor-widget-text-editor\" data-id=\"41a59474\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>1.1 \u4ee5 \u56e0\u5f0f\u6cd5 \u89e3\u4e8c\u6b21\u65b9\u7a0b\uff08Solve Quad. Eqn. by the Factor Method\uff09<\/h2><h3>1.1.1 \u57fa\u790e\u77e5\u8b58<\/h3><p>\u55ba\u5b78 \u56e0\u5f0f\u6cd5 \u4e4b\u524d\uff0c\u5148\u8b1b\u5413\u54a9\u53eb\u56e0\u5f0f\uff1a<\/p><ul><li>\u5927\u5bb6\u90fd\u77e5 15 = 5 x 3\u3002<ul><li>\u55ba\u6578\u5b78\u5ea6\uff0c\u6211\u54cb\u6703\u8a71\u201c3\u201d\u540c\u201c5\u201d\u4fc215\u5605\u56e0\u5b50\u3002<\/li><\/ul><\/li><li>\u540c\u4e00\u9053\u7406\uff0c\u5982\u679c\u6211\u54cb\u53ef\u4ee5\u5c07\u4e00\u500b\u591a\u9805\u5f0f\uff08\u4f8b\u5982 \\(x^2 + 4x + 3\\)\uff09\u8b8a\u6210\u201cA x B\u201d\uff0c\u5481A\u540cB\u5c31\u4fc2\u500b\u591a\u9805\u5f0f\u5605\u201c\u56e0\u5b50\u201d\u3002<ul><li>\u56e0\u70baA\u540cB\u4fc2\u4e00\u689d\u201c\u5f0f\u201d\uff08\u800c\u5514\u4fc2\u4e00\u500b\u6578\u5b57\uff09\uff0c\u6240\u4ee5\u6211\u54cb\u5c31\u53eb\u4f62\u505a\u201c\u56e0\u5f0f\u201d\u3002<\/li><\/ul><\/li><\/ul><p>\u4f8b\uff1a \\( x^2 + 4x + 3 = (x + 3) (x + 1)\\quad \\quad {\\color{Red} \\leftarrow \u66ab\u6642\u5514\u597d\u7406\u6211\u9ede\u77e5\u6709\u4f9d\u5169\u500b\u56e0\u5f0f\u4f4f\uff01} \\)<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u6240\u4ee5\\((x + 3) \\)\u540c\\( (x + 1) \\) \u5c31\u4fc2\\(x^2 \u00a0+ 4x + 3\\)\u5605\u56e0\u5f0f\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ad5133 elementor-widget elementor-widget-text-editor\" data-id=\"0ad5133\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>1.1.2 \u54a9\u4fc2\u201c\u4ee5 \u56e0\u5f0f\u6cd5 \u89e3\u4e8c\u6b21\u65b9\u7a0b\u201d<\/h3><p>\u8981\u89e3\u91cb\u54a9\u4fc2\u201c\u4ee5 \u56e0\u5f0f\u6cd5 \u89e3\u4e8c\u6b21\u65b9\u7a0b\u201d\uff0c\u6700\u597d\u5605\u65b9\u6cd5\u4fc2\u7528\u4f8b\u984c\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f71ce9e elementor-widget elementor-widget-accordion\" data-id=\"f71ce9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2591\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2591\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">\u4ee5\u56e0\u5f0f\u6cd5\u89e3 \\(x^2 + 4x + 3 = 0\\)<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2591\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2591\"><p style=\"padding-left: 40px;\">\\(\\begin{align}<br \/>&amp; x^2 + 4x + 3 = 0 \\\\<br \/>&amp; (x + 3)(x + 1) = 0 \\quad \\quad \\quad \\quad {\\color{Red} \\leftarrow \u4e4b\u524d\u5df2\u8a71\u8b1b\u904e x^2 + 4x + 3 = 0 \u6709\u4f9d\u5169\u500b\u56e0\u5f0f}\\\\<br \/>&amp; x + 3 = 0 \\quad\u6216 \\quad\\ x + 1 = 0 \\quad \\quad {\\color{Red} \\leftarrow \u5982\u679c a \\times b = 0\uff0c\u5481\u4e00\u4fc2 a = 0\uff0c\u4e00\u4fc2 b = 0}\\\\<br \/>&amp; x = -3\\quad\u6216 \\quad\\ x = -1<br \/>\\end{align}\\)<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-acc31e3 elementor-widget elementor-widget-text-editor\" data-id=\"acc31e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>1.1.3 \u9ede\u505a\u56e0\u5f0f\u5206\u89e3<\/h3><ul><li>\u5927\u5bb6\u4e2d\u4e09\u5605\u6642\u5019\u8001\u5e2b\u61c9\u8a72\u6559\u904e\u7528\u201c\u5341\u5b57\u76f8\u4e58\u6cd5\u201d(cross multiplication)\u569f\u6435\u500b\u56e0\u5f0f\u3002<ul><li>\u5982\u679c\u4f60\u4ef2\u8a18\u5f97\uff0c\u55f0\u9663\u6642\u6211\u54cb\u6210\u65e5\u8981\u8a66\u5230\u8166\u5230\u5927\u6652\u3002<\/li><li>\u5982\u679c\u4f60\u5514\u8a18\u6216\u8005\u5187\u5b78\u904e\u90fd\u5514\u7dca\u8981\u3002<\/li><\/ul><\/li><\/ul><ul><li>\u4f46\u5176\u5be6\u6700\u7c21\u55ae\u5605\u65b9\u6cd5\u4fc2\u5229\u7528\u8a08\u6578\u6a5f\u3002\u65b9\u6cd5\u5982\u4e0b\uff1a<ul><li>\u7528\u8a08\u6578\u6a5f\u8a08 \\(x^2\u00a0+ 4x + 3 = 0\\) \u5605\u7b54\u6848<ul><li>\u5f97\u5230 -3, -1<\/li><li>\u5373\u00a0 x = &#8211; 3\u00a0\u00a0 \u6216\u00a0\u00a0\u00a0 x = -1<\/li><\/ul><\/li><li>\u5c07\u6240\u6709\u5622\u642c\u53bb\u5de6\u908a\uff0c\u5373<ul><li>x + 3 = 0\u00a0 \u00a0\u6216\u00a0\u00a0\u00a0 x + 1 = 0<\/li><\/ul><\/li><li>\u5481 (x + 3) \u540c (x + 1) \u5c31\u4fc2\u56e0\u5f0f\u3002<\/li><\/ul><\/li><\/ul><p>\u8b58\u5f97\u6435\u5169\u500b\u56e0\u5f0f\uff0c\u5481\u518d\u9047\u5230\u201c\u7528\u56e0\u5f0f\u5206\u89e3\u6cd5\u89e3\u65b9\u7a0b\u201d\u5605\u554f\u984c\uff0c\u6211\u5730\u5c31\u53ef\u4ee5\u597d\u6613\u5481\u5beb\u5230\u500b\u7b54\u6848\u51fa\u569f\uff1a<\/p><p style=\"padding-left: 40px;\">\\(\\begin{align}<br \/>&amp; x^2 + 4x + 3 = 0 \\\\<br \/>&amp; (x + 3)(x + 1) = 0 \\\\<br \/>&amp; x + 3 = 0 \\quad\u6216 \\quad\\ x + 1 = 0 \\\\<br \/>&amp; x = -3\\quad\u6216 \\quad\\ x = -1<br \/>\\end{align}\\)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ce2829 elementor-widget elementor-widget-accordion\" data-id=\"5ce2829\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-9731\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-9731\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">\u4f8b\u5b50\uff1a  \u7528\u56e0\u5f0f\u5206\u89e3\u6cd5\u89e3\u3000\\(2x^2\u2013 5x + 3 = 0\\)<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-9731\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-9731\"><p>\u89e3\u8aaa\uff1a<\/p><ul><li>\u5148\u7528\u8a08\u6578\u6a5f\u8a08 \\(2x^2 \u2013 5x + 3 = 0\\)<ul><li>\u5f97\u5230\u5605\u6839\u4fc22\u540c0.5<\/li><li>\u5373 x = 2 \u540c x = 1\/2<\/li><li>\u5373 x \u2013 2 = 0 \u540c 2x = 1<\/li><li>\u5373 x \u2013 2 = 0 \u540c 2x \u2013 1 = 0<\/li><li>\u6240\u4ee5\u56e0\u5f0f\u4fc2\u00a0 \\((x \u2013 2)\\) \u540c \\((2x \u2013 1)\\)<\/li><\/ul><\/li><li>\u6240\u4ee5\u7b54\u6848\u53ef\u4ee5\u5481\u5beb\uff1a<br \/>\\(\\begin{align}<br \/>&amp; 2x^2 &#8211; 5x + 3 = 0 \\\\<br \/>&amp; (x &#8211; 2)(2x &#8211; 1) = 0 \\\\<br \/>&amp; x + 2 = 0 \\quad\u6216 \\quad\\ x\u00a0 =\u00a0 \\tfrac{1}{2}<br \/>\\end{align}\\)<\/li><\/ul><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-509de2d4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"509de2d4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-2685153f\" data-id=\"2685153f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1e732c7 elementor-widget elementor-widget-text-editor\" data-id=\"1e732c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><i class=\"far fa-arrow-alt-circle-left\" aria-hidden=\"true\"><\/i>\u00a0<a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_algebra\/quadratic_equation\/\">\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\u00a0 &#8211; \u57fa\u790e<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-5593b6ee\" data-id=\"5593b6ee\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-118b6687\" data-id=\"118b6687\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-638f10de elementor-widget elementor-widget-text-editor\" data-id=\"638f10de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: right;\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_algebra\/quadratic_equation\/from_given_roots\/\">\u7531\u5df2\u77e5\u6839\u5efa\u7acb\u4e8c\u6b21\u65b9\u7a0b<\/a>\u00a0 <i class=\"far fa-arrow-alt-circle-right\" aria-hidden=\"true\"><\/i><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-543499ad\" data-id=\"543499ad\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2cc7c44e elementor-widget elementor-widget-sidebar\" data-id=\"2cc7c44e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"sidebar.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"sidebar-box widget-oceanwp-custom-menu custom-menu-widget clr\"><style type=\"text\/css\">.ocean_custom_menu-5 > ul > li > a, .custom-menu-widget .ocean_custom_menu-5 .dropdown-menu .sub-menu li a.menu-link{font-size:16px;line-height:17px;}.custom-menu-widget .ocean_custom_menu-5.oceanwp-custom-menu > ul.click-menu .open-this{font-size:16px;}<\/style><h4 class=\"widget-title\">DSE\u6578\u5b78 &#8211; \u5fc5\u4fee\u90e8\u5206\u3010\u76ee\u9304\u3011<\/h4><div class=\"oceanwp-custom-menu clr ocean_custom_menu-5 left dropdown-hover\"><ul id=\"menu-dsemaths_core\" class=\"dropdown-menu sf-menu\"><li  id=\"menu-item-1744\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1744\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/course-analysis\/\" class=\"menu-link\">\u8ab2\u7a0b\u5206\u6790 (Core)<\/a><\/li>\n<li  id=\"menu-item-1745\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children dropdown menu-item-1745\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/\" class=\"menu-link\">\u5514\u597d\u4ee5\u70ba\u5514\u99db\u8003 &#8211; \u76ee\u9304 <span class=\"nav-arrow fa fa-angle-down\"><\/span><\/a>\n<ul class=\"sub-menu\">\n\t<li  id=\"menu-item-4067\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4067\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/solving-equation\/\" class=\"menu-link\">1. \u89e3\u65b9\u7a0b<\/a><\/li>\n\t<li  id=\"menu-item-4068\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4068\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/polynomials\/\" class=\"menu-link\">2. \u591a\u9805\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4069\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4069\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/laws-of-indices\/\" class=\"menu-link\">3. \u6307\u6578\u5b9a\u5f8b<\/a><\/li>\n\t<li  id=\"menu-item-4070\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4070\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/factorization\/\" class=\"menu-link\">4. \u56e0\u5f0f\u5206\u89e3<\/a><\/li>\n\t<li  id=\"menu-item-4071\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4071\"><a 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\u6578\u64da\u8655\u7406<\/a><\/li>\n<\/ul><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>1.1 \u4ee5 \u56e0\u5f0f\u6cd5 \u89e3\u4e8c\u6b21\u65b9\u7a0b\uff08Solve Quad. Eqn. by the Factor Method\uff09  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4701,"parent":3378,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"ocean_front_end_style_editor":"no","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-4225","page","type-page","status-publish","has-post-thumbnail","hentry","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u56e0\u5f0f\u6cd5 &#187; 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