Find the Equation of the Axis of Symmetry of the Parabola

Multiple Choice

Find the equation of the axis of symmetry of the parabola.
- $$y = 2 x ^ { 2 } + 4 x + 6$$

A) $x = - 1$
B) $x = 1$
C) $x = 4$
D) $x = - 4$