$\"\"$

The expression is $\"\"$ .

Find the expression.

$\"\"$ (Write division expression)

$\"\"$ (To divide, multiply by the reciprocal)

$\"\"$ (Factors) \ \

$\"\"$ (Cancel common terms) \ \ $\"\"$ (Multiply)

$\"\"$ .

Therefore, the expression is $\"\"$ . $\"\"$

The rational expression is $\"\"$ .