因式分解a^2b(x-y)-ab(y-x)+b(x-y)
问题描述：
因式分解a^2b(x-y)-ab(y-x)+b(x-y)
答
=(3a+1)(bx-by)
答
a^2*b(x-y)-ab(y-x)+b(x-y)
=b(x-y)(a^2+a+1)
答
a^2b(x-y)-ab(y-x)+b(x-y)
=b(x-y)(a^2+a+1)