# How do you simplify #(u^2+7u-18)/(u-2)# and what are the excluded values for the variables?

##### 1 Answer

Apr 25, 2017

#### Explanation:

Although you have a numerator and denominator you are not allowed to simplify yet by cancelling, because there are terms (separated by + and * signs) rather than factors (which are multiplied)

Find the factors first.

For excluded values, remember that the denominator may not be equal to

So, ask yourself what value of

If