Answer
$ -2 + 9i$
Work Step by Step
$3 + 2i - 5 + 7i$
$ = 3 - 5 + 2i + 7i$
$ = -2 + 9i$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 2 - Section 2.1 - Complex Numbers - Exercise Set - Page 314: 3
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