Solve the problem.If there are x teams in a sports league and all the teams play each other twice, a total of N(x) games are played, where N(x) = x2 - x. A soccer league has 6 teams, each of which plays the others twice. If the league pays $42 per game for the field and officials, how much will it cost to play the entire schedule?
A. $1764
B. $1512
C. $1260
D. $1344
Answer: C
Mathematics
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