Solve the Equation in the Real Number System $$x ^ { 4 } - 3 x ^ { 3 } + 5 x ^ { 2 } - x - 10 = 0$$

Multiple Choice

Solve the equation in the real number system.
- $$x ^ { 4 } - 3 x ^ { 3 } + 5 x ^ { 2 } - x - 10 = 0$$

A) {-1, 2}
B) {-1, -2}
C) {1, 2}
D) {-2, 1}