The three roots of the equation $f(x) = 0$ are $x = {−2, 0, 3}.$ What are the three values of $x$ for which $f(x − 3) = 0?$
1. $−5 , −3 , 0$
2. $−2 , 0 , 3$
3. $0 , 6 , 8$
4. $1 , 3 , 6$