Respuesta :

Answer:

-2, 1, 2,

Step-by-step explanation:

possible roots are +/- 1, 2, 4

2 1 -3 0 4

      2.-2 -4

  1.  -1. -2  0 root = -2

x^2-x-2=0

(x+1)(x-2)=0

roots = -1,2