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3(y-x)²+2(x-y) 分解因式

答案:2  悬赏:30  手机版
解决时间 2021-02-05 17:25
  • 提问者网友:棒棒糖
  • 2021-02-05 02:26
3(y-x)²+2(x-y) x(a-1)(a-2)-y(1-a)-y(1-a)(2-a)
8a(a-b)²-12(b-a)³ m²(x-y)+n²(y-x) 分解因式

求步骤嗷嗷
最佳答案
  • 五星知识达人网友:蓝房子
  • 2021-02-05 03:21
①3(y-x)²+2(x-y)
=3(x-y)²+2(x-y)
=(x-y)(3x-3y+2)
②4a(x-2)²-2b(2-x)³

=4a(x-2)²+2b(x-2)³

=(x-2)²[4a+2b(x-2)]

=(x-2)²(4a+2bx-4b)
③6x³y(x-y)³-4xy³(y-x)²

=6x³y(x-y)³-4xy³(x-y)²

=(6x³y-4xy³)(x-y)²

=2xy(3x² -2y² )(x-y)²
④a(x-y)-b(y-x)+c(x-y)

=a(x-y)+b(x-y)+c(x-y)

=(x-y)(a+b+c)
⑤m²(x-2)+(2-x)

=(m²-1)(x-2)

=(n+1)(m-1)(x-2)
全部回答
  • 1楼网友:逃夭
  • 2021-02-05 03:31
3(x-y)³-2(y-x)² =3(x-y)³-2(x-y)² =(x-y)²[3(x-y)-2] =(x-y)²(3x-3y-2)
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