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5-73.

Rewrite each of the following rational expressions as a single fraction.    Homework Help ✎

1. $\frac { x } { x - 1 } - \frac { x } { x - 2 }$

$\frac{x(x-2)}{(x-1)(x-2)}-\frac{x(x-1)}{(x-2)(x-1)}$

1. $2x-\frac{4}{x+2}$

Change $2x$ to $\frac{2x}{1}$.

Then create a common denominator.