dixiesheaven dixiesheaven 14-05-2021 Mathematics contestada Find the sum: (-5x2 + x - 8) + (-3x2 – 8x – 3). A -2x2 + 9x - 11 B -2x2 + 9x - 5 с -8X2 - 7x - 11 D -8x2 - 7x + 11