The side length, s, of a cube is x - 2y. If V = s3, what is the volume of the cube?
O x3 – 6x2y + 12xy2 – 8y3
O x3 + 6x2y + 12xy2 + 8y3
O 3x3 – 6x²y + 12xy2 – 24y3
O 3x3 + 6x²y + 12xy2 + 24 y3