因式分解:3(x-y)²-6(y-x)
问题描述:
因式分解:3(x-y)²-6(y-x)
答
3(x-y)²-6(y-x)
=3(y-x)(y-x-2)
因式分解:3(x-y)²-6(y-x)
3(x-y)²-6(y-x)
=3(y-x)(y-x-2)