Answer
$\lim\limits_{x \to 2^-}\frac{x^2-2x}{x^2-4x+4}=-\infty$
Work Step by Step
$\lim\limits_{x \to 2^-}\frac{x^2-2x}{x^2-4x+4}=\lim\limits_{x \to 2^-}\frac{x(x-2)}{(x-2)^2}=\lim\limits_{x \to 2^-}\frac{x}{x-2}=\frac{2^-}{0^-}=-\infty$
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