Maryel03 Maryel03 06-05-2020 Mathematics contestada Subtract: (x^2 + 6x - 8) - (-3x^2 + 2x - 9)A. 4x^2 + 4x + 1B. -2x^2 + 4x + 1C. 4x^2 + 4x + 17D. 4x^2 + 8x + 17