Answer:
f(x) = x(x+2)(x-4)
Step-by-step explanation:
When you set the components equal to 0, you will get your zeros.
ie. x+2=0; solving for x will get you -2 & x-4=0; solving for x gives you 4
After you expand the polynomial, you will get a degree of 3, [tex]x^{3}[/tex]