Question

Factor completely.

3x squared + 2xy - y squared

Answer 1

The factors of given expression are (x-y) and (3x-y). The solution is shown below:

$3 x^{2} +2xy- y^{2} \\ \\ 3 x^{2} +3xy-xy- y^{2} \\ \\ 3x(x-y)-y(x-y) \\ \\ (x-y)(3x-y)$