Answer
$15+6i$
Work Step by Step
Use: $i^2=-1$
$-3i(-2+5i)=-3i(-2)-3i(5i)=6i-15i^2=6i-15(-1)=15+6i$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - Review Exercises - Page 153: 67
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