Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 6 - Rational Expressions and Equations - 6.1 Rational Expressions - 6.1 Exercise Set - Page 379: 16


2, 5

Work Step by Step

A rational expression is undefined when the denominator is equal to zero. Thus, we set the denominator equal to zero to find: $$ p^2-7p+10=0 \\ p\left(p-2\right)-5\left(p-2\right)=0 \\ \left(p-2\right)\left(p-5\right)=0 \\ p=2,5$$
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