Answer
$(x-8)(x+7)$
Work Step by Step
Separate all the terms into two sets of parentheses. Then find the greatest common factor of each set to factor.
$x^2-8x+7x-56$
$=(x^2-8x)+(7x-56)$
$=x(x-8)+7(x-8)$
$=(x-8)(x+7)$
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