X 3 7x 2 6x 4 x 6 July 8, 2019 16 32 64 128 X 5 7x 4 6x 3 x 2 7x 6 0 F x )= x 4 6x 3 7x 2 6x 8 (6x - 7) ^ 4 + 4 * (6x - 7) ^ 2 + 3 = 0
