SOLUTION: the sum of a integer and its square is 210, find the integer.

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Question 231781: the sum of a integer and its square is 210, find the integer.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x+x^2=210
x^2+x-210=0
(x+15)(x-14)=0
x+15=0
x=-15 ans.
x-14=0
x=14 ans.