Use the Quadratic Formula to Find the Exact Solutions $$x ^ { 2 } = 15 + 3 x$$

Multiple Choice

Use the quadratic formula to find the exact solutions.
- $$x ^ { 2 } = 15 + 3 x$$

A) 3,15
B) $\frac { 3 \pm \sqrt { 69 } } { 2 }$
C) $3 \pm \sqrt { 69 } \mathrm { i }$
D) $\frac { 3 } { 2 } \pm \frac { \sqrt { 69 } } { 2 } \mathrm { i }$