Answer
$10-3i$
Work Step by Step
$2z_{1}+3z_{2}$
=$2(2+3i)+3(2-3i)$
=$4+6i+6-9i$
=$4+6+6i-9i$
=$10-3i$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 8 - Section 8.1 - Complex Numbers - 8.1 Problem Set - Page 426: 79
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