Related Post: 1 2x 12 3x 2 1 2x 12 =- 3 1 2 X 12 3 Xy 1 2x 3y 12 X 2y =- 1 2x 3y 12 12 1 2 X 3 5 5 3 1 2x 12 3 2x 1 )+ 12 4x 3