Answer
Please see the graph.
$x=8, -7$
Work Step by Step
$x^2-x-56 > 0$
$(x-8)(x+7) > 0$
$(x-8)(x+7) = 0$
$x-8=0$
$x=8$
$x+7=0$
$x=-7$
$x=8, -7$
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