Answer
LCD=(a+5)(a-5)
Work Step by Step
$\frac{3a}{a+5}$, $\frac{7a}{a-5}$,
LCD=(a+5)(a-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 - Practice - Page 504: 5
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