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Algebra

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ALGEBR-1QLNFM

Evaluate $\cfrac{1}{x} - x.$

A

$\cfrac{x - 1}{x}$

B

$\cfrac{1}{x^{2}}$

C

$\cfrac{1 - x^{2}}{x}$

D

$\cfrac{1 + x^{2}}{x}$