colbyworthington1903 colbyworthington1903 09-04-2020 Mathematics contestada What is the sum of the polynomials? (–x2 + 9) + (–3x2 – 11x + 4) –4x2 – 2x + 4 –4x2 – 11x + 13 2x2 + 20x + 4 2x2 + 11x + 5
