X 2 4 2x 2 8x 16 0 July 8, 2019 16 32 64 128 X 4 2x 3 4x 2 8x 16 0 4) (x + 2) ^ 4 - 2x ^ 2 - 8x - 16 = 0 (x + 2) ^ 2 = t
