Solve the Cubic Equation Using Factoring and the Quadratic Formula $$\mathrm { x } ^ { 2 } = - 18$$

Multiple Choice

Solve the cubic equation using factoring and the quadratic formula.
- $$\mathrm { x } ^ { 2 } = - 18$$

A) $\pm 9 \mathrm { i } \sqrt { 2 }$
B) $\pm 3 i \sqrt { 2 }$
C) $\pm 3 \sqrt { 2 }$
D) $\pm 9 \sqrt { 2 }$