Related Post: 4x 8 2 X 7 4x 2 8 2x 7 7 8 2 X 7 4 8 2 X 7 )= 4 5x 4x =- 8 (- 2x 7 )+ 20 2 4x 8 )= 7 X 9 4x 8x 2 8 )+( X 2 7 4x 7x 2 8 )-( 4x 2 X 6 2x 3 4x 5 )=- 2 8 X 7