SOLUTION: the square of a number, plus 12 times thenumber equals 64. find the number

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Question 891281: the square of a number, plus 12 times thenumber equals 64. find the number

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
N%5E2%2B12N=64
Complete the square,
N%5E2%2B12N%2B36=64%2B36
%28N%2B6%29%5E2=100
N%2B6=+0+%2B-+10
N=-6+%2B-+10
N=-16 and N=4