angel99mtz angel99mtz 15-05-2020 Mathematics contestada Simplify: (2x2 - 7x - 2) + (2x + 6) a.2x2 + 9x + 4 b.2x2 - 9x - 8 c.2x2 - 5x + 4 d.4x2 - 13x - 2