SOLUTION: If a number is added to its square the result is 56. Find the number. Thank you

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Question 39814: If a number is added to its square the result is 56. Find the number.
Thank you
Answer by fractalier(2101) About Me  (Show Source):
You can put this solution on YOUR website!
Then x + x^2 = 56
x^2 + x - 56 = 0
(x + 8)(x - 7) = 0
x = -8 or x = 7
Both work too.