Answer
$f(-3)-g(-3)=-8$
Work Step by Step
First, find $f(-3)$ and $g(-3)$.
$f(-3)=(-3)^{2}+4\times(-3)=9-12=-3$
$g(-3)=2-(-3)=2+3=5$
Then, subtract them.
$f(-3)-g(-3)=-3-5=-8$
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