解下列各式分解因式(一定要过程) 5
1、a(x-y)-b(x-y)2、a(x-y)-b(y-x)3、a(x-y)³-b(x-y)²4、4(x-y)³-8(y-x)²5...
1、a(x-y)-b(x-y)
2、a(x-y)-b(y-x)
3、a(x-y)³-b(x-y)²
4、4(x-y)³-8(y-x)²
5、5(x-y)³+10(y-x)²
6、6(m-n)³-12(n-m)
7、m(m-n)+n(n-m)
8、m(m-n)(p-q)-n(n-m)(p-q)
9、(b-a)²+a(a-b)+b(b-a)
10、2(y-x)²+3(x-y) 展开
2、a(x-y)-b(y-x)
3、a(x-y)³-b(x-y)²
4、4(x-y)³-8(y-x)²
5、5(x-y)³+10(y-x)²
6、6(m-n)³-12(n-m)
7、m(m-n)+n(n-m)
8、m(m-n)(p-q)-n(n-m)(p-q)
9、(b-a)²+a(a-b)+b(b-a)
10、2(y-x)²+3(x-y) 展开
展开全部
a(x-y)-b(x-y)
=(x-y)(a-b)
a(x-y)-b(y-x)
=a(x-y)+b(x-y)
=(a+b)(x-y)
a(x-y)³-b(x-y)²
=(x-y)²[a(x-y)-b]
=(x-y)²(ax-ay-b)
4(x-y)³-8(y-x)²
=4(x-y)³-8(x-y)²
=4(x-y)²(x-y-2)
5(x-y)³+10(y-x)²
=5(x-y)³+10(x-y)²
=5(x-y)²(x-y+10)
6(m-n)³-12(n-m)
=6(m-n)³+12(m-n)
=6(m-n)(m²+mn+n²)+12(m-n)
=6(m-n)(m²+mn+n+2)
m(m-n)+n(n-m)
=m(m-n)-n(m-n)
=(m-n)²
m(m-n)(p-q)-n(n-m)(p-q)
=m(m-n)(p-q)+n(m-n)(p-q)
=(m-n)(p-q)(m+n)
(b-a)²+a(a-b)+b(b-a)
=(a-b)²+a(a-b)-b(a-b)
=(a-b)(a-b+a-b)
=(a-b)(2a-2b)
=2(a-b)²
2(y-x)²+3(x-y)
=2(x-y)²+3(x-y)
=(x-y)(2x-2y+3)
=(x-y)(a-b)
a(x-y)-b(y-x)
=a(x-y)+b(x-y)
=(a+b)(x-y)
a(x-y)³-b(x-y)²
=(x-y)²[a(x-y)-b]
=(x-y)²(ax-ay-b)
4(x-y)³-8(y-x)²
=4(x-y)³-8(x-y)²
=4(x-y)²(x-y-2)
5(x-y)³+10(y-x)²
=5(x-y)³+10(x-y)²
=5(x-y)²(x-y+10)
6(m-n)³-12(n-m)
=6(m-n)³+12(m-n)
=6(m-n)(m²+mn+n²)+12(m-n)
=6(m-n)(m²+mn+n+2)
m(m-n)+n(n-m)
=m(m-n)-n(m-n)
=(m-n)²
m(m-n)(p-q)-n(n-m)(p-q)
=m(m-n)(p-q)+n(m-n)(p-q)
=(m-n)(p-q)(m+n)
(b-a)²+a(a-b)+b(b-a)
=(a-b)²+a(a-b)-b(a-b)
=(a-b)(a-b+a-b)
=(a-b)(2a-2b)
=2(a-b)²
2(y-x)²+3(x-y)
=2(x-y)²+3(x-y)
=(x-y)(2x-2y+3)
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