4. Please choose the wrong command.

A、syms s; P=(s+3)^2*(s^2+3*s+2)*(s^3+12*s^2+48*s+64); P1=simplify(P);

B、syms s; P=(s+3)^2*(s^2+3*s+2)*(s^3+12*s^2+48*s+64); P2=expand(P);

C、syms s; P=(s+3)^2*(s^2+3*s+2)*(s^3+12*s^2+48*s+64); P3=factor(P);

D、syms s; P=(s+3)^2*(s^2+3*s+2)*(s^3+12*s^2+48*s+64); P4=prod(P3)