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 - Concept and Vocabulary Check - Page 569: 5



Work Step by Step

RECALL: $a-(-b) = a+b$ Use the rule above to obtain: $=10i+4i$ Combine like terms by factoring out $i$ to obtain: $=i(10+4) \\=i(14) \\=14i$
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