(x-y)²-8(x-y-2)

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 06:46:58
(x-y)²-8(x-y-2)
x){BN5eCs k] P&H;J)š(mhDD3F 1d=jR(

(x-y)²-8(x-y-2)
(x-y)²-8(x-y-2)

(x-y)²-8(x-y-2)
(x-y)²-8(x-y-2)
=(x-y)²-8(x-y)+16
=(x-y-4)^2