SOLUTION: Twelve less than the square root of a number is the same as 4 times the number. Find the number

Question 385671: Twelve less than the square root of a number is the same as 4 times the number. Find the number
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Twelve less than the square root of a number is the same as 4 times the number. Find the number
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Equation:
sqrt(x) - 12 = 4x
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Rearrange:
sqrt(x) = 4x+12
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Square both sides to get:
x = 16x^2 + 96x + 144
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16x^2 + 95x + 144 = 0
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Positive solution:
There is no positive soltion.
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Cheers,
Stan H.
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