Solve the Equation $\mathrm { u } ^ { 2 } + 14 \mathrm { u } + 39 = 0$

Multiple Choice

Solve the equation.
- $\mathrm { u } ^ { 2 } + 14 \mathrm { u } + 39 = 0$

A) $7 - \sqrt { 39 } , 7 + \sqrt { 39 }$
B) $- 7 - \sqrt { 10 } , - 7 + \sqrt { 10 }$
C) $- 14 + \sqrt { 39 }$
D) $7 + \sqrt { 10 }$