Answer
$-\frac{3}{2-b}$
Work Step by Step
Given : $\frac{1}{2-b} - \frac{4}{2-b}$
This becomes : $\frac{1-4}{2-b}$
$=-\frac{3}{2-b}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 11 - Rational Expressions and Functions - 11-4 Adding and Subtracting Rational Expressions - Practice and Problem-Solving Exercises - Page 687: 12
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