$\"\"$

The rational expression is $\"\"$ .

Find the difference.

$\"\"$ (Rewrite $\"\"$ as $\"\"$ )

$\"\"$ (Rewrite so the denominators are the same)

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

$\"\"$ (Add the numerator)

$\"\"$ .

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

$\"\"$ .