Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Section 2.1 - Complex Numbers - Concept and Vocabulary Check - Page 314: 4



Work Step by Step

Use the rule $a-(-b) = a+b$ to obtain: $=10i+4i$ Simplify by using the distributive property $ac+bc=(a+b)c$ to obtain: $\\=(10+4)i \\=14i$
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