What is the factored form of the polynomial? z squared minus 10 z plus 25
A
open paren z plus 5 close paren times open paren z plus 5 close parenB
open paren z minus 2 close paren times open paren z plus 5 close parenC
open paren z minus 5 close paren times open paren z minus 5 close parenD
open paren z plus 2 close paren times open paren z minus 5 close paren