X 6 x 4 16x 2 16 July 8, 2019 16 32 64 128 X 6 x 4 16x 2 16 0 4x4 = 16 6) (x ^ 2 + 4x)/(x ^ 2 - 16) (x ^ 2 - 4) ^ 2 + (x ^ 2 - 6x - 16) ^ 2 = 0
