The inequality is .

Subtract 5 from each side.

Rewrite the above inequality as follows :

Now, there are two ways this product could be less than or equals to zero.One factor must be negative or zero and one must be positive or zero.

Case 1 :

and

and

The solution set is .

Case 2 :

and

and

The solution set is .

There are no values exist in the interval.

The solution set of the inequality is .