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: 30

Answer

$-12 + 26i$

Work Step by Step

Subtract each term of the subtrahend $=15i - 12 - (-11i) \\=15i -12 + 11i$ Regroup then simplify by combining like terms to obtain $=-12 + (15i + 11i) \\= -12 + 26i$
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