SOLUTION: 1 + 2 = 3 4 + 5 + 6 = 7 + 8 9 + 10 + 11 +12 = 13 + 14 +15 What would the last number of the 16th equation

Question 1106885: 1 + 2 = 3
4 + 5 + 6 = 7 + 8
9 + 10 + 11 +12 = 13 + 14 +15
What would the last number of the 16th equation
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

1 + 2 = 3
4 + 5 + 6 = 7 + 8
9 + 10 + 11 +12 = 13 + 14 +15

Just to take the pattern one further:
16 + 17 + 18 + 19 + 20 = 21 + 22 + 23 + 24

The last numbers for the 1st, 2nd, 3rd, and 4th equations are 3, 8, 15, 24.

Any one of a number of methods can determine that these are the values of the polynomial .

The last number in the 16th equation is then
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