Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Exercise Set: 4

Answer

$\frac{20c-8d^{2}}{5d}$

Work Step by Step

$\frac{4c}{d}$-$\frac{8d}{5}$= $\frac{4c*5}{d*5}$-$\frac{8d*d}{5*d}$= $\frac{20c}{5d}$-$\frac{8d^{2}}{5d}$=$\frac{20c-8d^{2}}{5d}$
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