Algebra: A Combined Approach (4th Edition)

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

Chapter 10 - Review: 157

Answer

$\frac{2\sqrt x-6}{x-9}$

Work Step by Step

$\frac{2}{\sqrt x + 3}\times\frac{\sqrt x - 3}{\sqrt x - 3}$ =$\frac{2(\sqrt x - 3)}{(\sqrt x+3)(\sqrt x-3)}$ =$\frac{2\sqrt x-6}{(\sqrt x)^{2}-(3)^{2}}$ =$\frac{2\sqrt x-6}{x-9}$
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