3 9 x 0 1 x 2 7 July 8, 2019 16 32 64 128 1 4 3 x )- 0 9 x 2 )= 4 7 3 * 9 x 1 2 7 * 6 x 3 * 4 x 1 0 3 x 3 = 9 3 9(-7+x)=0 9(9x-21)
