分解因式3ab^2(x-y)^m-1-6a^2b(x-y)^m分解因式3ab^2·(x-y)^m-1·-6a^2·b(x-y)^m_数学解答

分解因式3ab^2(x-y)^m-1-6a^2b(x-y)^m
分解因式3ab^2·(x-y)^m-1·-6a^2·b(x-y)^m

人气：221 ℃　时间：2020-06-20 20:10:56

解答

3ab^2·(x-y)^m-1·-6a^2·b(x-y)^m
提取公因式
=3ab·(x-y)^m-1·[b-2a·(x-y)]
=3ab(x-y)^(m-1)(b-2ax+2ay)