Answer
$9x^2-6x+1$
Work Step by Step
Using $(a+b)^2=a^2+2ab+b^2$ or the square of a binomial, then,
\begin{array}{l}
(3x-1)^2
\\\\
=(3x)^2+2(3x)(-1)+(-1)^2
\\\\
=9x^2-6x+1
.\end{array}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Cumulative Review - Page 600: 10a
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