3x 1 )( x 2 9x 4 July 8, 2019 16 32 64 128 3x 1 x 4 x 2 10 9x x 2 2x 3x 5 2 x 1 9x 1 4 1 3 x 3 )= 2 3x 4 )- 9x 3 x 3 = 9