x^2-4xy+4y^2-2x+4y?
展开全部
x^2-4xy+4y^2-2x+4y=(x-2y)^2-2(x-2y)=(x-2y)(x-2y-2),4,原式=(x-2y)^2-2(x-2y)
=(x-2y)(x-2y-2),2,x^2-2x-4xy+4y^2+4y
=(x²-4xy+4y²)-(2x-4y)
=(x-2y)²-2(x-2y)
=(x-2y-2)(x-2y),2,x^2-4xy+4y^2-2x+4y
=(x^2-4xy+4y^2)-2(x-2y)
=(x-2y)²-2(x-2y)
=(x-2y)(x-2y-2),0,x^2-4xy+4y^2-2x+4y
因式分解
=(x-2y)(x-2y-2),2,x^2-2x-4xy+4y^2+4y
=(x²-4xy+4y²)-(2x-4y)
=(x-2y)²-2(x-2y)
=(x-2y-2)(x-2y),2,x^2-4xy+4y^2-2x+4y
=(x^2-4xy+4y^2)-2(x-2y)
=(x-2y)²-2(x-2y)
=(x-2y)(x-2y-2),0,x^2-4xy+4y^2-2x+4y
因式分解
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询