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: 21


$5 + 3i$

Work Step by Step

Subtract each term of the subtrahend $10+7i - 5 - 4i$ Regroup then simplify by combining like terms to obtain $=(10-5) + (7i-4i) \\= 5 + 3i$
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