Answer
d)
LCD is 4$(a-5)^{2}$
Work Step by Step
4a-20=2*2(a-5)
$(a-5)^{2}$=(a-5)(a-5)
LCD is 4$(a-5)^{2}$
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 509: 63
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