X 2 )( x 2 2x 4 )-( x 1 3 7 July 8, 2019 16 32 64 128 X 2 )( x 2 2x 4 )-( x 1 3 7 0 2+ 3 4 x 2 )= 5 2x x 1 2 7 4 x