# How do you factor #9x ^ { 2} + 21x - 18#?

##### 2 Answers

Jul 21, 2017

To factor

Factor out the

Continue factoring:

#### Explanation:

Factor the trinomial in parentheses by the new AC Method (Socratic, Google Search)

Factor converted trinomial:

Find

knowing the sum

They are:

Back to y:

Factored form of