Select one of the factors of 3x2 + 4x - 4. (2 points)

(x + 4)
(3x + 2)
(3x - 2)
(x - 2)
Okay So i had 3x-2 but my mum is telling me is 3x+2 while looking at my work? Can someone please explain how I would get 3x+2 and not 3x-2 if i am wrong?

Question

Select one of the factors of 3x2 + 4x - 4. (2 points)

 	
	(x + 4)
	(3x + 2)
	(3x - 2)
	(x - 2)
Okay So i had 3x-2 but my mum is telling me is 3x+2 while looking at my work?  Can someone please explain how I would get 3x+2 and not 3x-2 if i am wrong?

rebeccaxhawaii · Answer

no 3x-2 would be correct

rebeccaxhawaii · Answer

because (3x-2) and (x+2) are the factors of 3x^2+4x-4

skullpatrol · Answer

The easiest way to "explain" it is by using FOIL and multiplying it out.

rebeccaxhawaii · Answer

so yes you outsmarted you mom .. this time :p