monclovagirls13 monclovagirls13 19-05-2020 Mathematics contestada Please help ASAP Find the sum of 2 x^2 + 3 x - 4, 8 - 3 x , and -5 x^2 + 2. A. -3 x2 - 2 B. -7 x2 - 2 C. -3 x2 + 6 D. -7 x2 - 6 x - 2