#### Answer

$25i$

#### Work Step by Step

Use the FOIL method to multiply the binomials.
$i(9+12i-12i-16i^2)$
Substitute $-1$ for $i^2$. Also, add/subtract like terms.
$i(9-16(-1))$
Simplify.
$25i$

Published by
Pearson

ISBN 10:
0321671791

ISBN 13:
978-0-32167-179-0

$25i$

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