In this lesson, you will learn how to factorize complex trinomials, where the numerical coefficient of the first term is not one. The method involves identifying A, B, and C, and finding a fourth number by multiplying A and C. The process then diverges from simple trinomials as we rewrite the question, put a plus sign, and form brackets with the two numbers that multiply to give AC but add up to B. We break the bracket up and factor out the greatest common factors to get our final answer. While the method is a bit more complicated, it is still effective in solving complex trinomials.
The method for factoring a trinomial of the form ax^2 + bx + c (where a does not equal 1).