Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Section 7.7 - Complex Numbers - Exercise Set: 20

Answer

$2 + 5i$

Work Step by Step

Regroup then simplify by combining like terms to obtain $=(-2+4) + (6i-i) \\=2 + 5i$
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