Answer
$-5+4i$
Work Step by Step
We first use the distributive property to simplify. Then, we combine like terms to obtain:
$(-12+6i)-(-7+2i)$
=$-12+6i+7-2i$
=$-12+7+6i-2i$
=$-5+4i$
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: 28
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