Respuesta :

mirkatanquero

Answer:

x=  −2 or x=3

Step-by-step explanation:

mhanifa

Answer:

3 and -2

Step-by-step explanation:

  • 2x²-2x-12=0
  • x²-x-6=0
  • x²+2x - 3x-6=0
  • x(x+2)-3(x+2)=0
  • (x-3)(x+2)=0
  • x-3=0 ⇒ x= 3
  • x+2=0 ⇒ x= -2