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: 27

Answer

$8 + 15i$

Work Step by Step

Subtract each term of the subtrahend $=-5 + 4i - (-13) - (-11i) \\=-5 + 4i +13 +11i$ Regroup then simplify by combining like terms to obtain $=(-5 +13) + (4i+11i) \\= 8 + 15i$
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