Algebra: A Combined Approach (4th Edition)

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

Chapter 10 - Section 10.4 - Adding, Subtracting, and Multiplying Radical Expressions - Exercise Set - Page 709: 9



Work Step by Step

$\sqrt{9b^3}-\sqrt{25b^3}+\sqrt{49b^3}$ Factor. $\sqrt{9b^2}\sqrt{b}-\sqrt{25b^2}\sqrt{b}+\sqrt{49b^2}\sqrt{b}$ Simplify. $3b\sqrt{b}-5b\sqrt{b}+7b\sqrt{b}$ Combine like radicals. $5b\sqrt{b}$
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