$\"\"$

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The equation is $\"\"$ .

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Rewrite the equation is $\"\"$ .

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Apply formula: $\"\"$ .

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

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$\"\"$

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$\"\"$ (Subtract 9 from each side)

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

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$\"\"$ (Apply additive identity property: $\"\"$ )

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Take square root each side. \ \

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$\"\"$

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$\"\"$ ( $\"\"$ ) $\"\"$

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Apply formula: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Subtract 3 from each side.

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$\"\"$

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$\"\"$

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$\"\"$

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Add 3 to each side.

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$\"\"$

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$\"\"$

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The equation has two imaginary roots, $\"\"$ and two real roots 3, $\"\"$ 3. $\"\"$

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The solution is two imaginary roots, $\"\"$ and two real roots 3, $\"\"$ 3.