Answer
LCD=4(x+5)
Work Step by Step
$\frac{12}{x+5}$, $\frac{x}{4x+20}$
x+5=1(x+5)
4x+20=4(x+5)
LCD=4(x+5)
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 7.3 - Adding and Subtracting Rational Expressions with the Same Denominator and Least Common Denominator - Exercise Set - Page 508: 22
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