1 Lesson 28 Factoring Completely FACTORING COMPLETELY 1. Always factor out a GCF first, if possible. 2. Count the number of terms. • If there are 2 terms (binomial), look for a difference of squares pattern. • If there are 3 terms (trinomial), look for a perfect square trinomial OR use the product/sum method. Factor the following polynomials completely. 1) 644−x 2) 26328 xx + 3) xx 205022−+ 4) 4834−x 5) 3240122−− xx2 6) 23412112 aaa +− 7) 2324348 aba − 8) xxx 27361223+− 9) 234213514 xxx −− 10) 4322334 abbaba ++ 11) 3 23 4 12x x x+ −
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