Elementary Algebra

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

Chapter 2 - Real Numbers - Chapter 2 Review Problem Set - Page 88: 22


$= \frac{2}{7}$

Work Step by Step

We first multiply the numerators and the denominators of the fractions by each other. Then, we simplify the fractions to obtain: $(\frac{-3x}{12y})(\frac{8y}{-7x})$ $= \frac{-3x(8y)}{12y(-7x)}$ $= \frac{-24xy}{-84xy}$ $= \frac{2}{7}$
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