Intermediate Algebra: Connecting Concepts through Application

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

Chapter 1-9 - Cumulative Review: 97

Answer

$(9-3i)$

Work Step by Step

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