Respuesta :

Answer:

c ) x - 3

Step-by-step explanation:

2x^2-4x-6

Divide through by 2

x^2 - 2x - 3

x^2 - 3x + x - 3

x( x - 3)  +1 (x - 3)

(x + 1 ) ( x - 3)

Therefor the answer is c)  x - 3