Answer
$-46+9i$
Work Step by Step
We simplify:
$(2+3i)^{3}$
$=(2+3i)(2+3i)^{2}$
$=(2+3i)(4+12i+9i^{2})$
$=(2+3i)(-5+12i)$
$=-10-15i+24i+36i^{2}$
$=-46+9i$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 1 - Review Exercises - Page 145: 39
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