(x + 1)^2 + (x - 1)^2 = 2x (x^2 + 2x + 1) + (x^1 - 2x + 1) = 2x 2x^2 + 2 = 2x 2x^2 - 2x + 2 = 0 x^2 - x + 1 = 0. Use the quadratic formula and get two solutions in complex numbers = and = . ANSWER There is no real solutions.