Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 8 - Radical Functions - 8.5 Complex Numbers - 8.5 Exercises: 38

Answer

$-7+3i$

Work Step by Step

Step 1: $(-4-6i)-(3-9i)$ Step 2: $-4-6i-3+9i$ Step 3: $(-4-3)+(-6i+9i)$ Step 4: $-7+3i$
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