3 3x 1 2 2 1 3 0 July 8, 2019 16 32 64 128 1 3x 2 x 2 1 3 0 3 3x 1 2 2 1 9 0 3 x 3 x 3 x 3 x −2 3+1 1⋅x=3 2
