Answer
$-\frac{1}{2}$
Work Step by Step
Given $\lim_{x\to -4}(x\lim_{x\to 0}g(x))=2$, let $\lim_{x\to 0}g(x)=y$, we have $\lim_{x\to -4}(xy)=-4y=2$, which gives $y=-\frac{1}{2}$, thus $\lim_{x\to 0}g(x)=-\frac{1}{2}$
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