\"\"

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The inequality is \"\".

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Solve the quadratic equation \"\".

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\"\"                                   (Related function)

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\"\"                                (Add \"\" to each side)

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\"\"                      (Quadratic formula)

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\"\"               (Substitute \"\" and \"\")

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\"\"                               (Simplify)

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\"\" or \"\"      (Write into two equations)

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Hence, the roots are imaginary.

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Solution set is none.

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\"\"

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Solution set is \"\".