Answer
$-6$
Work Step by Step
Substituting $x=2$ and $y=-3$, the given expression, $
2x^2y-5y+3
,$ evaluates to
\begin{array}{l}\require{cancel}
2(2)^2(-3)-5(-3)+3
\\\\=
2(4)(-3)-(-15)+3
\\\\=
-24+15+3
\\\\=
-9+3
\\\\=
-6
.\end{array}
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 5 - Section 5.4 - Polynomials in Several Variables - Exercise Set - Page 375: 5
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