SOLUTION: Factor..show steps thank u asquared-ab-56b square

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Question 750853: Factor..show steps thank u
asquared-ab-56b square

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
a^2-ab-56b^2

a^2+7ab-8ab-56b^2 ... Note: 7 and -8 both add to -1 and multiply to -56

(a^2+7ab)+(-8ab-56b^2)

a(a+7b)+(-8ab-56b^2)

a(a+7b)-8b(a+7b)

(a-8b)(a+7b)


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a^2-ab-56b^2

completely factors to

(a-8b)(a+7b)

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