Suppose that the polynomial function $f$ is defined as follows.

$f(x)=7(x-2{)}^3(x+8)(x-8)(x+4)$

List each zero of $f$ according to its multiplicity in the categories below.

If there is more than one answer for a multiplicity, separate them with commas. If there is no answer, click on "None."

Zero$($s$)$ of multiplicity one:

Zero$($s$)$ of multiplicity two:

Zero$($s$)$ of multiplicity three: