Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.4 - Exponents - Problem Set 2.4 - Page 76: 75


$= \frac{4x}{9}$

Work Step by Step

In order to solve, first multiply the fractions together. Then, cancel out common factors in the numerator and the denominator of the fraction to obtain: $= (\frac{7x^{2}}{9y})(\frac{12y}{21x})$ $= \frac{84x^{2}y}{189xy}$ $= \frac{4x}{9}$
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