{"id":68,"date":"2023-06-21T13:22:29","date_gmt":"2023-06-21T13:22:29","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/gsu-collegealgebra\/chapter\/summary-factoring-basics\/"},"modified":"2023-06-21T13:22:29","modified_gmt":"2023-06-21T13:22:29","slug":"summary-factoring-basics","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/gsu-collegealgebra\/chapter\/summary-factoring-basics\/","title":{"raw":"Summary: Factoring Polynomials","rendered":"Summary: Factoring Polynomials"},"content":{"raw":"\n\n<h2>Key Equations<\/h2>\n<table>\n<tbody>\n<tr>\n<td><strong>difference of squares<\/strong><\/td>\n<td>[latex]{a}^{2}-{b}^{2}=\\left(a+b\\right)\\left(a-b\\right)[\/latex]<\/td>\n<\/tr>\n<tr>\n<td><strong>perfect square trinomial<\/strong><\/td>\n<td>[latex]{a}^{2}+2ab+{b}^{2}={\\left(a+b\\right)}^{2}[\/latex]<\/td>\n<\/tr>\n<tr>\n<td><strong>sum of cubes<\/strong><\/td>\n<td>[latex]{a}^{3}+{b}^{3}=\\left(a+b\\right)\\left({a}^{2}-ab+{b}^{2}\\right)[\/latex]<\/td>\n<\/tr>\n<tr>\n<td><strong>difference of cubes<\/strong><\/td>\n<td>[latex]{a}^{3}-{b}^{3}=\\left(a-b\\right)\\left({a}^{2}+ab+{b}^{2}\\right)[\/latex]<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Key Concepts<\/h2>\n<ul>\n \t<li>The greatest common factor, or GCF, can be factored out of a polynomial. Checking for a GCF should be the first step in any factoring problem.<\/li>\n \t<li>Trinomials with leading coefficient 1 can be factored by finding numbers that have a product of the third term and a sum of the second term.<\/li>\n \t<li>Trinomials can be factored using a process called factoring by grouping.<\/li>\n \t<li>Perfect square trinomials and the difference of squares are special products and can be factored using equations.<\/li>\n \t<li>The sum of cubes and the difference of cubes can be factored using equations.<\/li>\n \t<li>Polynomials containing fractional and negative exponents can be factored by pulling out a GCF.<\/li>\n<\/ul>\n<h2>Glossary<\/h2>\n<dl id=\"fs-id1165133085661\" class=\"definition\">\n \t<dt>\n<dl id=\"fs-id1165133085661\" class=\"definition\">\n \t<dt>\n<dl id=\"fs-id1165133085661\" class=\"definition\">\n \t<dt><strong>factor by grouping<\/strong><\/dt>\n \t<dd id=\"fs-id1165133085665\">a method for factoring a trinomial of the form [latex]a{x}^{2}+bx+c[\/latex] by dividing the <em>x<\/em> term into the sum of two terms, factoring each portion of the expression separately, and then factoring out the GCF of the entire expression<\/dd>\n<\/dl>\n<\/dt>\n<\/dl>\n<\/dt>\n \t<dt>\n<dl id=\"fs-id1165133085661\" class=\"definition\">\n \t<dt>\n<dl id=\"fs-id1165137644987\" class=\"definition\">\n \t<dt><strong>greatest common factor<\/strong><\/dt>\n \t<dd id=\"fs-id1165137644990\">the largest polynomial that divides evenly into each polynomial<\/dd>\n<\/dl>\n<\/dt>\n<\/dl>\n<\/dt>\n<\/dl>\n\n","rendered":"<h2>Key Equations<\/h2>\n<table>\n<tbody>\n<tr>\n<td><strong>difference of squares<\/strong><\/td>\n<td>[latex]{a}^{2}-{b}^{2}=\\left(a+b\\right)\\left(a-b\\right)[\/latex]<\/td>\n<\/tr>\n<tr>\n<td><strong>perfect square trinomial<\/strong><\/td>\n<td>[latex]{a}^{2}+2ab+{b}^{2}={\\left(a+b\\right)}^{2}[\/latex]<\/td>\n<\/tr>\n<tr>\n<td><strong>sum of cubes<\/strong><\/td>\n<td>[latex]{a}^{3}+{b}^{3}=\\left(a+b\\right)\\left({a}^{2}-ab+{b}^{2}\\right)[\/latex]<\/td>\n<\/tr>\n<tr>\n<td><strong>difference of cubes<\/strong><\/td>\n<td>[latex]{a}^{3}-{b}^{3}=\\left(a-b\\right)\\left({a}^{2}+ab+{b}^{2}\\right)[\/latex]<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Key Concepts<\/h2>\n<ul>\n<li>The greatest common factor, or GCF, can be factored out of a polynomial. Checking for a GCF should be the first step in any factoring problem.<\/li>\n<li>Trinomials with leading coefficient 1 can be factored by finding numbers that have a product of the third term and a sum of the second term.<\/li>\n<li>Trinomials can be factored using a process called factoring by grouping.<\/li>\n<li>Perfect square trinomials and the difference of squares are special products and can be factored using equations.<\/li>\n<li>The sum of cubes and the difference of cubes can be factored using equations.<\/li>\n<li>Polynomials containing fractional and negative exponents can be factored by pulling out a GCF.<\/li>\n<\/ul>\n<h2>Glossary<\/h2>\n<dl id=\"fs-id1165133085661\" class=\"definition\">\n<dt>\n<\/dt>\n<dt>\n<\/dt>\n<dt><strong>factor by grouping<\/strong><\/dt>\n<dd id=\"fs-id1165133085665\">a method for factoring a trinomial of the form [latex]a{x}^{2}+bx+c[\/latex] by dividing the <em>x<\/em> term into the sum of two terms, factoring each portion of the expression separately, and then factoring out the GCF of the entire expression<\/dd>\n<\/dl>\n<dl id=\"fs-id1165133085661\" class=\"definition\">\n<dt>\n<\/dt>\n<dt><strong>greatest common factor<\/strong><\/dt>\n<dd id=\"fs-id1165137644990\">the largest polynomial that divides evenly into each polynomial<\/dd>\n<\/dl>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-68\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Original<\/div><ul class=\"citation-list\"><li>Revision and Adaptation. <strong>Provided by<\/strong>: Lumen Learning. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em><\/li><\/ul><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Shared previously<\/div><ul class=\"citation-list\"><li>College Algebra. <strong>Authored by<\/strong>: Abramson, Jay et al.. <strong>Provided by<\/strong>: OpenStax. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"http:\/\/cnx.org\/contents\/9b08c294-057f-4201-9f48-5d6ad992740d@5.2\">http:\/\/cnx.org\/contents\/9b08c294-057f-4201-9f48-5d6ad992740d@5.2<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em>. <strong>License Terms<\/strong>: Download for free at http:\/\/cnx.org\/contents\/9b08c294-057f-4201-9f48-5d6ad992740d@5.2<\/li><\/ul><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Specific attribution<\/div><ul class=\"citation-list\"><li>College Algebra. <strong>Authored by<\/strong>: OpenStax College Algebra. <strong>Provided by<\/strong>: OpenStax. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"http:\/\/cnx.org\/contents\/9b08c294-057f-4201-9f48-5d6ad992740d@3.278:1\/Preface\">http:\/\/cnx.org\/contents\/9b08c294-057f-4201-9f48-5d6ad992740d@3.278:1\/Preface<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":395986,"menu_order":14,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc-attribution\",\"description\":\"College Algebra\",\"author\":\"OpenStax College Algebra\",\"organization\":\"OpenStax\",\"url\":\"http:\/\/cnx.org\/contents\/9b08c294-057f-4201-9f48-5d6ad992740d@3.278:1\/Preface\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"\"},{\"type\":\"original\",\"description\":\"Revision and Adaptation\",\"author\":\"\",\"organization\":\"Lumen 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