Y 8 x 3y 4 July 8, 2019 16 32 64 128 Y 8 x 4x 3y =- 3 4x y 8 x 3y 6 2x 3y 8 x y 4 X 3y 8 3x y 4 X 3y 8 y 2 x 4y 2