# How do you factor by grouping #2x^3 + 4x^2 y - 2x^2 - 4xy#?

##### 1 Answer

May 4, 2015

Notice the similarity of the coefficients, 2, 4, -2, -4. It prompts to group the four terms of this expression into two groups:

**Group 1**:

**Group 2**:

Factor out

Factor out

Now you see that