a的2次方(x-y)+16(y-x)因式分解

问题描述:

a的2次方(x-y)+16(y-x)因式分解

a的2次方(x-y)+16(y-x)
=a的2次方(x-y)-16(x-y)
=(x-y)(a²-16)
=(x-y)(a+4)(a-4)