Related Post: 4x 2x 5 X 1 4x 2x 5 X 3 18 4x 5 2x 11 )= X 4 4x 2 X 5 )( 2x 1 4x 3 2x 5 3 X 1 4x 2x 5 )= 8 X 1 )( X 1 4x 5 X 10 9 2 4x 2x 1 X 5 X 6 4x 7 2 2x 5 )( X 1 )=- 1 16 4x 2x X 5