Question

How do you factor by grouping `x^3 - 2xy + 2x^2 - xy`?

Answer 1

`(x^2 - y)(x+ 2x)`

Explanation:

`x^3 - 2xy + 2x^2 - xy`

`x^3 - xy + 2x^2- 2xy`

`x(x^2 - y) + 2x(x^2- y)`

`(x^2 - y)(x+ 2x)`