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 - 11-2 Multiplying and Dividing Rational Expressions - Practice and Problem-Solving Exercises - Page 674: 49



Work Step by Step

$\frac{\frac{z-10}{z+10}}{3z^2-30z}$ $=\frac{z-10}{z+10}\div(3z^2-30z)$ $=\frac{z-10}{z+10}\times\frac{1}{3z(z-10)}$ $=\frac{z-10}{3z(z+10)(z-10)}$ $=\frac{1}{3z(z+10)}$
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