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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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This is a parabola that opens up. Multiply out the right side using FOIL. Then write it in the form: \(f(x) = ax^2 + bx + c \) Then \(x = -\dfrac{b}{2a} \) gives you the equation of the axis of symmetry. The vertex is on the axis of symmetry, so if you plug in \(-\dfrac{b}{2a} \) for x in the equation of the parabola, you'll get the y coordinate of the vertex.
(-1,-9) ?
I have no way of checking since you removed rthe problem.

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