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2-148.

Write the rational expression below as a single fraction in simplified form. Homework Help ✎

Rewrite each factor with a common denominator.

Multiply the fractions.

Simplify.

$\left(\frac{1-x}{y}\right)\left(\frac{1+x}{x}\right)$

$\frac{1-x+x-x^2}{xy}$

$\frac{1-x^2}{xy}$