Answer
$x-3$
Work Step by Step
$\sqrt{x^2-6x+9}$
Factor out perfect squares.
$\sqrt{(x-3)^2}$
Simplify.
$x-3$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 8 - Section 8.2 - Multiplying and Dividing Radicals - Exercise Set - Page 586: 111
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