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: 80


$= \frac{(8x^{2}-6y)}{x^{2}y}$

Work Step by Step

1) Multiply a fraction with the other denominator to obtain a common denominator between the two fractions. In this case, we multiply the first fraction by $x^{2}/x^{2}$ and the second fraction by $y/y$. 2) Subtract $= \frac{8}{y} - \frac{6}{x^{2}}$ $= \frac{8x^{2}}{x^{2}y} - \frac{6y}{x^{2}y}$ $= \frac{8x^{2}-6y}{x^{2}y}$
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