1 2x 2 x 10 0 July 8, 2019 16 32 64 128 2x 2 k 1 x 10 0 4 x 5 2 2x 1 2 10 0 3x 10 )( 2x 2 1 )( 2 x ) 0 2x 10 1 x 1 2 x 2 1 2 x 10