因式分解:(x^2+2x-1)(x^2+2x-2)-6
展开全部
设x^2+2x-1=y
原式=y(y-1)-6
=y^2-y-6
=(y-3)(y+2)
=(x^2+2x-4)(x^2+2x+1)
=(x^2+2x-4)(x+1)^2
原式=y(y-1)-6
=y^2-y-6
=(y-3)(y+2)
=(x^2+2x-4)(x^2+2x+1)
=(x^2+2x-4)(x+1)^2
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
(x^2+2x-1)(x^2+2x-2)-6
=(x²+2x)²-3(x²+2x)+2-6
=(x²+2x)²-3(x²+2x)-4
=(x²+2x-4)(x²+2x+1)
=(x²+2x-4)(x+1)²
=(x²+2x)²-3(x²+2x)+2-6
=(x²+2x)²-3(x²+2x)-4
=(x²+2x-4)(x²+2x+1)
=(x²+2x-4)(x+1)²
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