\"\"

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The equation is \"\".

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(Subtract 12x from each side)

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\"\"

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\"\"

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\"\"

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\"\"

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(Take out common factor)

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\"\"\"\"

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(Apply zero product property: If ab = 0 then a = 0 or b = 0)

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\"\"

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(Add 6 to each side)

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\"\"

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\"\"

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The solution set is \"\".\"\"

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(Apply axis of symmetry formula: \"\")

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Substitute values (\"\")

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\"\"

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\"\"

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\"\"

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\"\"

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Now we can find y-value, the x-coordinate of the vertex is 6.

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Substitute 6 in the equation of \"\".

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\"\"

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\"\"

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\"\"

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\"\"

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Draw a coordinate plane.

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Draw the equation \"\".

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\"graph

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The vertex is at \"\". Graph the x-intercept \"\" and

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the vertex is \"\", connecting them with a smooth curve.\"\"

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The solution set is \"\" and graph of the equation is

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\"graph