$\"\"$

The expression is $\"\"$ .

Divide by the greatest common factors ofter multiplying.

Multiply the numerators and denominators.

$\"\"$

Apply difference of the squares formula: $\"\"$ .

$\"\"$

$\"\"$ (Cancel common terms)

$\"\"$ (Divide: $\"\"$ )

Distribute terms using distributive property: $\"\"$ .

$\"\"$

$\"\"$ (Multiply: $\"\"$ )

$\"\"$

The simplified expression is $\"\"$ .