mclendenen4821 mclendenen4821 14-02-2019 Mathematics contestada Which polynomial represents the sum below? (18x2 - 18) + (-13x2 - 13x + 13) A. 5x2 - 13x - 5 B. 31x2 - 31x - 5 C. 18x2 - 31x - 18 D. 5x2 - 13x - 31