# How do you find the excluded value of #3/(x-5)#?

##### 1 Answer

Jan 20, 2017

I got

#### Explanation:

You need to consider the value of

So, when you have a fraction with unknown in it (in the denominator) always set the denominator equal to zero, solve it as a normal equation and exclude the value(s) of the unknown you find.

For example, in your case:

1) take the denominator:

2) set it equal to zero:

3) solve the equation:

Now you can exclude the result,