Ricardo is factoring the polynomial, which has four terms. 5 x cubed plus 20 x squared plus 2 x plus 8 5 x squared open paren x plus 4 close paren plus 2 times open paren x plus 4 close paren Which is the completely factored form of his polynomial?
Answer
A
open paren 7 x squared plus 2 close paren times open paren x plus 4 close paren
B
5 x squared open paren x plus 4 close paren
C
7 x squared open paren x plus 4 close paren
D
open paren 5 x squared plus 2 close paren times open paren x plus 4 close paren