Solve the Equation by Completing the Square $\mathrm{p}^{2}+3 \mathrm{p}-9=0$ A) $\left\{\frac{3+3 \sqrt{5}}{2}\right\}$

Multiple Choice

Solve the equation by completing the square.
- $\mathrm{p}^{2}+3 \mathrm{p}-9=0$

A) $\left\{\frac{3+3 \sqrt{5}}{2}\right\}$

B) $\left\{\frac{-3-3 \sqrt{5}}{2}\right\}$

C) $\left\{\frac{-3+3 \sqrt{5}}{2}, \frac{-3-3 \sqrt{5}}{2}\right\}$

D) $\{-3+3 \sqrt{5},-3-3 \sqrt{5}\}$