Solve the Equation Using the Quadratic Formula $z ^ { 2 } - z - 12 = 0$

Multiple Choice

Solve the equation using the quadratic formula. Check your solution. $z ^ { 2 } - z - 12 = 0$

A) 3, -4
B) 3
C) 4, -4
D) 4, -5
E) 3, -5