Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - Review Exercises - Page 153: 67



Work Step by Step

Use: $i^2=-1$ $-3i(-2+5i)=-3i(-2)-3i(5i)=6i-15i^2=6i-15(-1)=15+6i$
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