Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 11 - Additional Topics - 11.4 - Complex Numbers - Problem Set 11.4: 21

Answer

$-5+3i$

Work Step by Step

We first use the distributive property to simplify. Then, we combine like terms to obtain: $(-2-i)-(3-4i)$ =$-2-i-3+4i$ =$-2-3-i+4i$ =$-5+3i$
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