Question

因式分解 (x-y)的5次方+(y-x)的3次方

Answer 1

(x-y)的5次方+(y-x)的3次方
=(x-y)的5次方-(x-y)的3次方
=（x-y）³【（x-y）²-1】
=（x-y）³（x-y+1）（x-y-1）

Answer 2

(x-y)^5+(y-x)^3
=(x-y)^5-(x-y)^3
=(x-y)^3[(x-y)^2-1]
=(x-y)^3(x-y+1)(x-y-1)