Solve the Equation by Completing the Square $$x ^ { 2 } = 3 - 8 x$$

Solve the equation by completing the square.
- $$x ^ { 2 } = 3 - 8 x$$

A) $$- 1 \pm \sqrt { 19 }$$
B) $$- 4 \pm \sqrt { 19 }$$
C) $$4 + \sqrt { 19 }$$
D) $$- 4 \pm 2 \sqrt { 19 }$$