Answer
$16$
Work Step by Step
Substitute the given value of $x$ to obtain:
$x^2-3x+6
\\=(-2)^2-3(-2)+6
\\=4-(-6)+6
\\=4+6+6
\\=16$
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 4 - Polynomials - Review Exercises: Chapter 4 - Page 298: 40
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