$\"\"$

The rational expression is $\"\"$ .

Find the exclude the values for rational expression.

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

$\"\"$ (Factor)

$\"\"$ and $\"\"$ (Zero product property)

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

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

$\"\"$

The exclude values of $\"\"$ are $\"\"$ or $\"\"$ .