2 2x 2 x 4 ) 11 July 8, 2019 16 32 64 128 2 2x 2 x 4 )+ 11 2 3x 7 )-( x 2 )=- 4 2x 11 )+ 3x 2x 2 11 )( x 2 4 as a sum 1 2 2x 4 )+ 2 4 x 2 )- 11 4 2x 2 5x 1 )+ 2 x 11