Find the Nonreal Complex Solutions of the Equation $x^{2}+x+2=0$ A) $\left\{\frac{1+\sqrt{-7}}{2}, \frac{1-\sqrt{-7}}{2}\right\}$

Multiple Choice

Find the nonreal complex solutions of the equation.
- $x^{2}+x+2=0$

A) $\left\{\frac{1+\sqrt{-7}}{2}, \frac{1-\sqrt{-7}}{2}\right\}$

B) $\left\{\frac{-1+\sqrt{-7}}{2}, \frac{-1-\sqrt{-7}}{2}\right\}$

C) $\left\{\frac{1+\mathrm{i} \sqrt{7}}{2}, \frac{1-\mathrm{i} \sqrt{7}}{2}\right\}$

D) $\left\{\frac{-1+\mathrm{i} \sqrt{7}}{2}, \frac{-1-\mathrm{i} \sqrt{7}}{2}\right\}$