Answer
$\frac{x^{2}-x-12}{x^{2}+5x+6}=\frac{x-4}{x+2}$
Work Step by Step
$\frac{x^{2}-x-12}{x^{2}+5x+6}=\frac{(x-4)(x+3)}{(x+2)(x+3)}=\frac{x-4}{x+2}$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.4 - Rational Expressions - 1.4 Exercises - Page 43: 20
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