Solve the Equation $$\left( \frac { 1 } { 5 } \right) ^ { 2 x } = 625$$

Solve the equation. $$\left( \frac { 1 } { 5 } \right) ^ { 2 x } = 625$$

A) x = -3
B) x = 2
C) x = -2
D) x = 4
E) x = -4