Answer
See below.
Work Step by Step
To simplify a rational function, we can use the concepts on how to simplify normal fractions. (e.g. if the numerator and the denominator have a common factor, we can cancel it)
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 6 - Section 6.1 - Rational Expressions and Functions; Multiplying and Dividing - Exercise Set - Page 416: 124
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