Mathematics, 02.08.2019 02:30 auviannadority13

Which polynomial represents the sum below? (18x2 - 18) + (-13x2 - 13x + 13) a. 18x2 - 31x - 18 b. 31x2 - 31x - 5 c. 5x2 - 13x - 5 d. 5x2 - 13x - 31

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