Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.7 - Complex Numbers - Exercise Set - Page 739: 5



Work Step by Step

$8\sqrt{-63} = 8 \cdot \sqrt{-1} \cdot \sqrt{63} = 8 \cdot \sqrt{-1} \cdot \sqrt{9 \cdot 7} = 24i \sqrt{7}$
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