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
答
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)