How Do You Factor by Grouping 4 Terms?

In this video, we discuss three examples of factor by grouping with 4 terms. We usually use this technique for factoring polynomials when there are 4 terms. We can also factor many trinomials by splitting the middle term (so that there are four terms) and factor by grouping.

0:00 - Introduction
0:08 - Factor x^3 - 3x^2 + 4x - 12
2:40 - Factor 3x^2 - 3xy - 4x + 4y
6:16 - Factor -15x^2 y - 30xy^2 + 5xy + 10y^2

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