Answer
$-120 -35i$
Work Step by Step
$-5i(4 - 3i)^2$
$-5i(16 -12i - 12i + 9i^2)$
$-5i(16 - 24i + 9(-1)) $
$-5i(7 - 24i)$
$-35i + 120i^2$
$-35i +120(-1)$
$$- 120 -35i$$
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