Answer
$x^2-4x+8$
Work Step by Step
By combining like terms, the given expression simplifies to
\begin{align*}
&
x^2+(-6x+2x)+(3+5)
\\&=
x^2-4x+8
.\end{align*}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.3 - Polynomials and Polynomial Functions - Exercise Set - Page 279: 39
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