Which shows the factored form of x squared minus 12 x minus 45 ?
A
open paren x plus 3 close paren times open paren x plus 15 close parenB
open paren x plus 3 close paren times open paren x minus 15 close parenC
open paren x minus 3 close paren times open paren x plus 15 close parenD
open paren x minus 3 close paren times open paren x minus 15 close paren