$\"\"$

The rational expression is $\"\"$ .

Find the difference.

$\"\"$ (The common denominator is $\"\"$ )

$\"\"$ (Add: $\"\"$ )

$\"\"$ (Substitute: $\"\"$ )

$\"\"$ (Simplify)

$\"\"$ .

Therefore, the difference of the rational expression is $\"\"$ . $\"\"$

$\"\"$ .