What is the factored form of the polynomial? x squared minus 12 x plus 27 ?
A
open paren x minus 4 close paren times open paren x plus 3 close parenB
open paren x plus 9 close paren times open paren x plus 3 close parenC
open paren x minus 9 close paren times open paren x minus 3 close parenD
open paren x plus 4 close paren times open paren x plus 3 close paren