need help for solving this.

Question

Factor the polynomial and use the factored form to find the zeros. (Enter your answers as a comma-separated list. Enter all answers using the appropriate multiplicities.)

P(x) = x5 − 4x3

Answer 1

x^3(x^2-4)=x^3(x-2)(x+2)

zeros: 0 multiplicity 3, 2 and -2

or

0,0,0,2,-2