分解因式
2ax²-8ax+8ax²-4xy-1+4y²4xy²-4x²y-y³3x³-18x²+2...
2ax²-8ax+8a x²-4xy-1+4y² 4xy²-4x²y-y³ 3x³-18x²+27x (a-b)²-12(a-b)c+36c² (x+y)²-4(x+y-1)
展开
1个回答
展开全部
2ax²-8ax+8a
=2a(x²-4x+4)
=2a(x-2)²
x²-4xy-1+4y²
=(x-2y)²-1
=(x-2y+1)(x-2y-1)
4xy²-4x²y-y³
=y(4xy-4x²-y²)
= -y(2x-y)²
3x³-18x²+27x
=3x(x²-6x+9)
=3x(x-3)²
(a-b)²-12(a-b)c+36c²
=(a-b-6c)²
(x+y)²-4(x+y-1)
=(x+y)²-4(x+y)+4
=(x+y-2)²
=2a(x²-4x+4)
=2a(x-2)²
x²-4xy-1+4y²
=(x-2y)²-1
=(x-2y+1)(x-2y-1)
4xy²-4x²y-y³
=y(4xy-4x²-y²)
= -y(2x-y)²
3x³-18x²+27x
=3x(x²-6x+9)
=3x(x-3)²
(a-b)²-12(a-b)c+36c²
=(a-b-6c)²
(x+y)²-4(x+y-1)
=(x+y)²-4(x+y)+4
=(x+y-2)²
更多追问追答
追问
= =能在详细丶吗 给分
追答
楼主哪几题不明白的,我看看能不能再详细点
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
广告 您可能关注的内容 |