Simplify to create an equivalent expression. \qquad{-4(z+3)-4(5-4z)}−4(z+3)−4(5−4z)minus, 4, left parenthesis, z, plus, 3, right
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Integrating gives
To compute the integral, substitute , so that
. Then
Since for all
, we can drop the absolute value, so we end up with
Given that , we have
so that