tahshon123hawkins tahshon123hawkins 12-08-2022 Mathematics 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