(x-y)^2+10(y-x)+25因式分解 (x-y)²-10(y-x)+25(x-y)²+10(y-x)+25只要结果

问题描述:

(x-y)^2+10(y-x)+25
因式分解 (x-y)²-10(y-x)+25
(x-y)²+10(y-x)+25
只要结果

(x-y)²-10(y-x)+25=(x-y+5)²
(x-y)²+10(y-x)+25
=(y-x+5)²