Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 7 - Section 7.7 - Complex Numbers - 7.7 Exercises: 40

Answer

3

Work Step by Step

We are given the expression $(-2-3i)-(-5-3i)$. First, we must use the distributive property to simplify the right term. $(-2-3i)-(-5-3i)=-2-3i+5+3i$ Next, we can group like terms and simplify. $(-2+5)+(-3+3)i=3+0i=3$
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