Answer
$36$
Work Step by Step
Substituting $x$ with $-2$, the given expression, $
3x^2-7x+10
,$ evaluates to
\begin{array}{l}\require{cancel}
3(-2)^2-7(-2)+10
\\\\=
3(4)-7(-2)+10
\\\\=
12+14+10
\\\\=
36
.\end{array}
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