Related Post: 1 5 X 0 1 10 5 X 0 1 100 5 X 0 1 6 12 5 X 0 1 1 4 5 X 0 4 1 4 2 1 X * 5 X 0 1 1 2x )( 2x 5 )( X 1 ) 0 1 2x 2 5 X 1 )= 0 1 X 9 0 X 5 X 15 9 X2 4x 5 0 X 1 1