# How do you factor #9x^2 - 36x + 36 = 0#?

##### 1 Answer

Feb 10, 2017

#### Explanation:

In any factoring situation, always look for a common factor first, in this case,

As it is an equation rather than an expression, we can divide by 9.

Find factors of 4 which add up to

The signs in the brackets will be the same, both are minus.