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For factoring trinomials theres a simpler way. Find the factors of ac whose sum is b. Like in this problem, 4x7=28  2x14=28 and 2+14=16 4x over 2 is 2x over 1 4x over 16 is x over 1 change the fractions
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RayAllen

by RayAllen at July 02, 2010

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into addition problems (2x+1)(X+4) (i messed up b4 tis) and thats the answer
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RayAllen RayAllen July 02, 2010

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Shoot, i messed up ill start over 4x7=28 4x over 2=2x over 1 4xover 14= 2x over 7 change into addition (2x+7)(2x+1) and rmb the GCF
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RayAllen RayAllen July 02, 2010

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