Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 8 - Section 8.2 - Multiplying and Dividing Radicals - Exercise Set - Page 585: 33



Work Step by Step

Getting the perfect factors and then extracting its root, the simplified form of the given expression, $ \sqrt{8x^2} ,$ is \begin{array}{l}\require{cancel} \sqrt{4x^2\cdot2} \\\\= \sqrt{(2x)^2\cdot2} \\\\= 2x\sqrt{2} .\end{array}
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