kellyrasmussen964 kellyrasmussen964 01-07-2017 Mathematics contestada Which polynomial represents the sum below? (4x4 - x2 - x) + (x4 + x3 + x2 + x - 1) A. 5x4 + 2x4 + 2x2 - 1 B. 5x4 + 2x4 - 1 C. 5x4 + x3 - 1 D. 5x4 + x4 + 2x2 - 1