Related Post: 2x 5 X 15 2x 5 )-( 5x 15 2x 5 X X 15 4 3 2x 5 X X 15 10 3 2x 5 X X 15 8 3 2 2x 5 )+ X =- 15 2x 5 )( X 4 )= 15 2 2x 5 5x 15 2x 5 5x 22 15 2x 3 X 5 )= 15