SOLUTION: The sum of a number and its square is 12. Find the number.
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Question 145703: The sum of a number and its square is 12. Find the number.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The sum of a number and its square is 12. Find the number.
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Let the number be "x":
EQUATION:
x + x^2 = 12
x^2 + x - 12 = 0
(x+4)(x-3) = 0
x = -4 or x = 3
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Cheers,
Stan H.
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