\"\"

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Write the quadratic equation with roots p and q is \"\".

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\"\"                         (Substitute \"\")

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\"\"                               (Product of two same signs is positive)

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\"\"    (Multiply the binomials using FOIL method)

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\"\"                (Multiply: \"\")

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\"\"                           (Multiply: \"\")

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\"\"                                    (Add: \"\")\"\"

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The quadratic equation is \"\".