Solve $5 z ^ { 2 } - 5 z - 4 = 0$

Multiple Choice

Solve $5 z ^ { 2 } - 5 z - 4 = 0$ by completing the square. Round your answer to two decimal places.

A) $x = - 1.52 , x = 0.52$
B) $x = 1.12 , x = 0.52$
C) $x = - 1.52 , x = 1.12$
D) $x = 1.52 , x = - 0.52$
E) $x = 5 , x = 4$