1 2 x 9 x 5 x 4 July 8, 2019 16 32 64 128 5 4 x 1 7 2 x 9 4 x 7 X 1 )( x 2 )-( 4x 3 )( x 5 )= x x 9 X 5 6 x 1 9 x 2 4 3 x 6 x 2 x 9 5 1 4
