Answer:
3; The excluded value of our given rational expression is .
Step-by-step explanation:
We have been given a rational expression. We are asked to simplify our given expression.
First of all, we will factor out 3 from denominator.
Upon canceling out , we will get:
Therefore, the simplified form of our given rational expression is 3.
We know that excluded value of a rational expression are those values, which make denominator zero.
Upon setting our denominator equal to 0, we will get:
Therefore, the excluded value of our given rational expression is .