$\"\"$

The expression is $\"\"$ .

Simplify the expression.

$\"\"$ (Factors) \ \

$\"\"$ (Divide out the common factors)

$\"\"$ .

Simplified expression is $\"\"$ .

Find excluded value for $\"\"$ .

$\"\"$ (The denominator can not be zero) \ \

$\"\"$ (Subtract $\"\"$ from each side)

$\"\"$ (Apply additive inverse property: $\"\"$ )

Therefore, the value of $\"\"$ can not be equal $\"\"$ .

The excluded value of $\"\"$ is $\"\"$ .

$\"\"$

The simplified expression is $\"\"$ .

The excluded value of $\"\"$ is $\"\"$ .