2x 5 )( x 2 )= 21 July 8, 2019 16 32 64 128 21 3 7 2x )= 5 2 x 9 2x 5 x x 10 21 2 5 2x 2 )( x 17 21 )= 0 X 2 2x 3x 1 )=- 5 x 2 1 )+ 21 2 x 2 5
