You can put this solution on YOUR website! f(x)= (x-4)(x+5)(x^2-9)?
4 is a zeroe with mult. one
-5 is a zeroe with mult. one
3 is a zeroe with mult. one
-3 is a zeroe with mult one.
If you had a factor of (x-4)^3
it would mean you have 4 as a zeroe
with multipliity three.
Cheers,
Stan H.