Solve the Equation $- x ^ { 2 } - 3 x + 40 = 0$

Multiple Choice

Solve the equation. $- x ^ { 2 } - 3 x + 40 = 0$

A) {3, -40}
B) {5, 8}
C) {-5, 8}
D) {-5, -8}
E) {5, -8}