3 (- 1 x )- 2x 9 July 8, 2019 16 32 64 128 1 3 x 9 )= 2x 7 1 3 * x 2 2x 9 1 3 x 5 9 2x 4 2x 3 x 1 9x 5 4x 9x 3 x 1 )=- 2x 1 7x 3 2x x 9 2x 1 3 4 x 9 3 2x 1 26 3 x )- 9 0 3 2x 1 28 3 x 9 0 X 0 3 1 2x )= 2 9 X 1 18 2x 3 9 3 x 5 )- 7 2x 1 )=- 9x 20 1 3 1 2x 9 )= 1 2 x 18 2 1 x 9 3 2x 5 (- 2x 1 )( x 2 9x 3