Answer
$-30+24i$
Work Step by Step
$z_{3}(z_{1}-z_{2})$
=$(4+5i)[(2+3i)-(2-3i)]$
=$(4+5i)(2-2+3i+3i)$
=$(4+5i)(6i)$
=$24i+30i^{2}$
=$24i+30(-1)$
=$-30+24i$
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: 82
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