Algebra 1: Common Core (15th Edition)

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: 10



Work Step by Step

Given : $\frac{3}{b-3} - \frac{b}{b-3}$ This becomes : $\frac{3-b}{b-3}$ (Since they have the same denominator) $= - \frac{b-3}{b-3}$ $= -1$
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