Answer
FALSE
Work Step by Step
If $x=1$, then $\sqrt{x^2-9}$ is $\sqrt{-8},$ while $x-3$ is $1-3=-2.$ Hence, the given statement is $\text{
FALSE
.}$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 10 - Exponents and Radicals - 10.3 Multiplying Radical Expressions - 10.3 Exercise Set - Page 647: 3
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