3x x 3 42 x2 9 1 7 3 x July 8, 2019 16 32 64 128 3 x 3 = 9 9 * 3 ^ (x ^ 2 - 4x) 3 ^ - 1 1) (x - 7) ^ 3 + 42x ^ 2 = (x + 7) ^ 3 + 14 - 7x 2) (6 + x) ^ 3 - 220x = 2x ^ 3 - (x - 6) ^ 3 + 19
