SOLUTION: If five times David's age plus 6 years is the same as the square of his age, how old is david?
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Question 994155: If five times David's age plus 6 years is the same as the square of his age, how old is david?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If five times David's age plus 6 years is the same as the square of his age, how old is david?
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Equation::
5d + 6 = d^2
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d^2 - 5d - 6 = 0
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(d-6)(x+1) = 0
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d = 6 yrs (David's age now)
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Cheers,
Stan H.
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