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Rationalizing Denominators

0. Review of College Algebra / Rationalizing Denominators / Problem 5

Problem 5

For the following rational expression, perform the indicated operations and simplify if necessary.
(a + b)/(8a - 7b) - 7b/(7b - 8a)

A

1

B

(a - b)/(8a - 7b)

C

(a + 8b)/(8a - 7b)

D

(8a + 7b)/(8a - 7b)

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