Solve the Absolute Value Equation or Indicate That the Equation $\left| x ^ { 2 } - 4 x - 4 \right| = 8$

Multiple Choice

Solve the absolute value equation or indicate that the equation has no solution.
- $\left| x ^ { 2 } - 4 x - 4 \right| = 8$

A) $\{ - 2,2,6 \}$
B) $\{ - 2,2 \}$
C) $\{ - 2,2 , - 6 \}$
D) $\{ 2,6 \}$