2y 2x 9 July 8, 2019 16 32 64 128 3x 2y 9 2x 3y 1 X 2y 9 2x y 3 X 2y 2x 5y 9 2y xy =- 2x 2 9x 2y cy =- 2x 2 9x 3x 2y 9 2x y =- 1 3x 2y 9 2x 3y =- 7 2x 2y 9 x 4.5 y 4 x 2y )-( 2x 9y X 2y 9 2x y 8 2x 2y 9 2x 3y 4 5x 2y 9 2x 3y 15 X 2y 9 2x 4y 20
