Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 4 Quadratic Functions and Factoring - 4.5 Solve Quadratic Equations by Finding Square Roots - 4.5 Exercises - Skill Practice - Page 269: 17



Work Step by Step

Simplifying the expression using the rules of radicals, we find: $$\frac{\sqrt{2}\left(4-\sqrt{5}\right)}{\left(4+\sqrt{5}\right)\left(4-\sqrt{5}\right)} \\ \frac{\sqrt{2}\left(4-\sqrt{5}\right)}{11}\\ \frac{4\sqrt{2}}{11}-\frac{\sqrt{10}}{11}$$
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