Solve the Equation by Completing the Square $$x ^ { 2 } + x + 1 = 0$$

question 96

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } + x + 1 = 0$$

• A) \(\left\{ \frac { - 1 \pm i \sqrt { 3 } } { 2 } \right\}\)
• B) \(\left\{ \frac { - 1 \pm \sqrt { 3 } } { 2 } \right\}\)
• C) \(\left\{ \frac { 1 \pm \sqrt { 3 } } { 2 } \right\}\)
• D) \(\left\{ \frac { 1 \pm \mathrm { i } \sqrt { 3 } } { 2 } \right\}\)