I found this question on my test:

> 
> 
> > 
> > What is the sum of all of the real root of $x^3-4x^2+x=-6$?
> > 
> > 
> > * **A.)** $-4 $
> > * **A.)** $-2$
> > * **A.)** $-0 $
> > * **A.)** $2 $
> > * **A.)** $4 $
> > 
> > 
> > 
> 
> 
> 

**My answer: $2 + 3 = 5$** , but that's not an option. Was the question wrong, or I didn't pay attention enough?