How do you factor 9x ^ { 2} + 21x - 189x2+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