Respuesta :
Your GCF and/or greatest common factor is -4, -4 goes into 12, 3 times so x= 3
Answer:
-4(x-3)
Step-by-step explanation:
We see that 12 is without x and it can be divide by -4.
12/(-4)=-3 i.e 12=(-3)(-4)
-4x+12=-4x+(-4)(-3)=-4(x-3)