Answer
$\frac{x-1}{x+2}$
Work Step by Step
$\frac{x^2-1}{x^2-4}*\frac{x^2-5x+6}{x^2-2x-3}=\frac{(x+1)(x-1)(x-2)(x-3)}{(x+2)(x-2)(x-3)(x+1)}=\frac{x-1}{x+2}$
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 414: 56
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