tae3781 tae3781 02-07-2019 History contestada What is the sum of the polynomials? (-x2 + 9) + (-3x2 – 11x + 4) O-4x2 – 2x + 4 -4x2 - 11x + 13 O 2x2 + 20x + 4 O 2x2 + 11x + 5