3(y-x)²+2(x-y) 分解因式
问题描述:
3(y-x)²+2(x-y) 分解因式
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
答
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...