SOLUTION: Solve the quadratic equation by completing the perfect square X squared -14x-5=0

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Question 472076: Solve the quadratic equation by completing the perfect square
X squared -14x-5=0

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Solve the quadratic equation by completing the perfect square
X squared -14x-5=0
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x^2 - 14x + ? = 5 + ?
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x^2 - 14x + 7^2 = 5 + 7^2
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Factor:
(x-7)^2 = 54
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x-7 = sqrt(54) or x-7 = -sqrt(54)
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x = 7+sqrt(54) or x = 7-sqrt(54)
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Cheers,
Stan H.
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