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The quadratic equation is \"\".

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The equation compare to quadratic equation, then x = r, a = 1, b = 0 and c = 25.

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Quadratic formula: \"\".

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\"\"         (Substitute x = r, a = 1, b = 0 and c = 25)

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\"\"                                          (Multiply) \"\"

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The solution set is \"\".