Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-4 Adding and Subtracting Rational Expressions - Practice and Problem-Solving Exercises: 10

Answer

$\frac{3 - b}{b - 3}$

Work Step by Step

Since we already have common denominators, we can add and simplify the numerators: $\frac{3}{b - 3} - \frac{b}{b-3} =\frac{3 - b}{b - 3}$ $3-b \ne b-3$, so these cannot cancel out as common factors.
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