(1)移项得:2(x+3)2-x(x+3)=0,(x+3)[2(x+3)-x]=0,x+3=0,2(x+3)-x=0,x1=-3,x2=-6;(2)分解因式得:(x+1-2)(x+1-1)=0,x+1-2=0,x+1-1=0,x1=1,x2=0.