Answer: The away team will win by m + 1 points
Step-by-step explanation: Minutes can't be negative, so m must either always be positive, or be 0 for a minute then positive for the rest of the game. Therefore, for any positive value m, 3m + 40 will always be greater than 2m + 39. So, the away team will win. To get the difference in points, subtract the two expressions to get m + 1