miaanguiano08 miaanguiano08 26-05-2023 Mathematics contestada Which quadratic equation does not have a real solution? a −2x2 − x − 1 = 0 b 6x2 − 2x − 3 = 0 c −2x2 − 8x − 4 = 0 d x2 + 5x + 2 = 0