Answer
$x^2-6x+9$
Work Step by Step
This is a square of a difference of two terms, hence we have
$$
(x-3)^2=x^2-2(3x)+3^2=x^2-6x+9
$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Review - Page 358: 7
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