$\"\"$

The rational expression is $\"\"$ .

Find the difference.

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

$\"\"$ (Dstributive property: $\"\"$ )

$\"\"$ (Combine like terms)

$\"\"$ (Simplify)

$\"\"$ .

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

$\"\"$ .