SOLUTION: I think of a number, square it and add twice the original number to it. The result is 24. What are the numbers?

SOLUTION: I think of a number, square it and add twice the original number to it. The result is 24. What are the numbers?

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Question 1005935: I think of a number, square it and add twice the original number to it. The result is 24. What are the numbers?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Call the number x...then we have
x^2 + 2x = 24
x^2 + 2x - 24 = 0
Now factor and solve...
(x + 6)(x - 4) = 0
x = -6 and x = 4
Two solutions.
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