# How do you factor completely #3a^2+9a-12#?

##### 1 Answer

Apr 11, 2016

#### Explanation:

3 is the factor common to all the terms.

Let's take it out

Now, we find the factors of

Use splitting of the middle term to find the answer.

Find a pair of factors of

Write the expression,

Take out the common terms

Separate the like terms and you get

The factors of