Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 6 - Section 6.1 - Rational Expressions and Functions; Multiplying and Dividing - Exercise Set - Page 417: 139

Answer

False.

Work Step by Step

The square of a binomial difference is: $(A-B)^2=A^2-2AB+B^2$. Hence here: $\frac{x^2-25}{x-5}=\frac{x^2-5^2}{x-5}=\frac{(x+5)(x-5)}{x-5}=x+5\ne x-5$. So the statement is false.
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