Answer
$-\dfrac{8}{3}$
Work Step by Step
$\dfrac{y^{3}}{y^{2}-1};$ $y=-2$
Replace $y$ with $-2$ and evaluate the operations:
$\dfrac{(-2)^{3}}{(-2)^{2}-1}=\dfrac{-8}{4-1}=\dfrac{-8}{3}=-\dfrac{8}{3}$
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