Answer
$-1+12i$
Work Step by Step
We first use the distributive property to simplify. Then, we combine like terms to obtain:
$(-9+7i)-(-8-5i)$
=$-9+7i+8+5i$
=$-9+8+7i+5i$
=$-1+12i$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 11 - Additional Topics - 11.4 - Complex Numbers - Problem Set 11.4 - Page 493: 27
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