Wilmeralvarezmarrero Wilmeralvarezmarrero 17-04-2020 Mathematics contestada Solve the quadratic equation by completing the square. −2x2 + 2x + 5 = 0 A) x = 1± 11 2 B) x = 1± 11 4 C) x = −1± 11 2 D) x = −1± 11 4