CPM Homework Help : CALC Problem 1-115

Simplify: $( ( \frac { x ^ { - 1 } + x ^ { 2 } } { x } ) - x + x ^ { - 2 } ) ^ { - 2 }$

Hint 1:

Recall that $a^{-n}=\frac{1}{a^{n}}$ .

Hint 2:

$\Bigg(\Big(\frac{\frac{1}{x}+x^2}{x} \Big)-x+\frac{1}{x^2}\Bigg)^{-2}$