Answer
$5-12i$
Work Step by Step
Step 1: $(3-2i)^{2}$
Step 2: $(3-2i)(3-2i)$
Step 3: $3(3-2i)-2i(3-2i)$
Step 4: $9-6i-6i+4i^{2}$
Step 5: $9-12i+4(-1)$
Step 6: $9-12i-4$
Step 7: $5-12i$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.1 Complex Numbers - 8.1 Exercises - Page 358: 67
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