Answer
$\frac{20c-8d^{2}}{5d}$
Work Step by Step
$\frac{4c}{d}$-$\frac{8d}{5}$=
$\frac{4c*5}{d*5}$-$\frac{8d*d}{5*d}$=
$\frac{20c}{5d}$-$\frac{8d^{2}}{5d}$=$\frac{20c-8d^{2}}{5d}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
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 - Page 515: 4
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