$\"\"$

The expression is $\"\"$ .

Rewrite the expression $\"\"$

$\"\"$ (Multiply by the reciprocal)

$\"\"$ $\"\"$

$\"\"$

(Take out common factors numerator and denominator)

$\"\"$

$\"\"$ (Cancel common factors)

$\"\"$ (Simplify) $\"\"$

The simplified expression value is 4.