SOLUTION: When the sum of 508 and three times a positive number is subtracted from the square of the number, the result is 140. Find the number.

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Question 831281: When the sum of 508 and three times a positive number is subtracted from the square of the number, the result is 140. Find the number.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
N%5E2-%28508%2B3N%29=140
N%5E2-3N-+648=0
%28N%2B27%29%28N-24%29=0
Two solutions but only one is positive,
N-24=0
highlight_green%28N=24%29