X 3 4 x 1 2 2x 1 8 July 8, 2019 16 32 64 128 4x 3 2 x 1 )( 2x 1 )= 810 3 x 2 )( 4 x 1 8 2x 1 0 X 4 2x 3 3x 2 8x 1 x 2 2x 1
