Related Post: X 2 5x 4x 8 X 2 5x 8 4x 4 (- X 2 5x 8 )-( 4x 2 7x 10 X 2 5x 8 )+( 4x 2 2x 3 X 3 5x 2 4x 8 X 2 5x 8 4 F X )= 4x 2 5x 8 4x 2 X 2 )=- 9 5x 8 5x 2 11 4x )= 82 X X 4 5x 3 6x 2 4x 8