x제곱+3xy+9y-9의인수분해는9y가9y²이,3xy가6xy등으로고쳐져야인수분해(6xy면,(x+3y-3)(x+3y+3)됨.(문제확인필요)/4x제곱+4xy+y제곱-2x-y-2은(2x+y-2)(2x+y+1)
[무물보AI] 답변 로딩중...