(x+3)(x-4)(x+1)(x-2)+24로 놓으면(x^2-x-12)(x^2-x-2)+24,x^2-x를 T로놓고(T-12)(T-2)+24=T^2-14T+48=(T-6)(T-8),답은 (x^2-x-6)(x^2-x-8)=(x-3)(x+2)(x^2-x-8)
당신은 어느 그룹입니까?