Solve the Equation and Write Complex Solutions in Standard Form $x ^ { 2 } - 18 x + 91 = 0$

Multiple Choice

Solve the equation and write complex solutions in standard form. ​​ $x ^ { 2 } - 18 x + 91 = 0$ ​

A) ​ $x = 9 + \sqrt { 10 } i , 9 - \sqrt { 10 } i$
B) ​ $x = 10 + \sqrt { 2 } i , 10 - \sqrt { 2 } i$
C) ​ $x = 9 + \sqrt { 2 } i , 9 - \sqrt { 2 } i$
D) ​ $x = 10 + \sqrt { 10 } i , 10 - \sqrt { 10 } i$
E) ​ $x = 2 + \sqrt { 10 } i , 2 - \sqrt { 10 } i$