X네제곱-13X제곱+4= (X제곱-2)2-9X제곱= (4X제곱-2)(-2X제곱-2)= -2(4X제곱-2)(X제곱+1) =-4(2X제곱-1)(X제곱+1)
[무물보AI] 답변 로딩중...