Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 6 - Section 6.2 - Adding and Subtracting Rational Expressions - Exercise Set - Page 355: 78



Work Step by Step

The given expression, $ \left( \dfrac{2x}{3} \right)^2\cdot\left( \dfrac{3}{x} \right)^2 ,$ simplifies to \begin{array}{l}\require{cancel} \dfrac{4x^2}{9}\cdot\dfrac{9}{x^2} \\\\= \dfrac{4\cancel{x^2}}{\cancel{9}}\cdot\dfrac{\cancel{9}}{\cancel{x^2}} \\\\= 4 .\end{array}
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