Answer
$\frac{-5}{z+6}$
Work Step by Step
$\frac{z-1}{z+6}$-$\frac{z+4}{z+6}$
$\frac{z-1-(z+4)}{z+6}$
$\frac{-5}{z+6}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 6 - Section 6.2 - Adding and Subtracting Rational Expressions - Exercise Set - Page 353: 4
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