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The quadratic equation is \"\".

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\"\"    (Add 6.25 to each side)

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\"\"                         (Apply additive inverse property: \"\")

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The equation compare to quadratic equation, then a = 4, b = 10 and c = 6.25.

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The value of discriminant \"\".

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\"\"                          (Evaluate power: \"\")

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\"\"                                       (Simplify)

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\"\"

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Since the discriminant is zero, the equation is double root. \"\"

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The equation  is double root.