$\"\"$

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The given roots are $\"\"$ .

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Apply quadratic formula: $\"\"$ .

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$\"\"$ (Replace p with $\"\"$ and q with $\"\"$ )

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ (Multiply each side by 12)

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$\"\"$ $\"\"$

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The quadratic equation is $\"\"$ and

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the standard form of the equation is $\"\"$ .