(x-y)(x-y-3)-10 因式分解怎么写

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(x-y)(x-y-3)-10因式分解怎么写(x-y)(x-y-3)-10因式分解怎么写(x-y)(x-y-3)-10因式分解怎么写解原式=(x-y)^2-3(x-y)-10=[(x-y)-5][(x

(x-y)(x-y-3)-10 因式分解怎么写
(x-y)(x-y-3)-10 因式分解怎么写

(x-y)(x-y-3)-10 因式分解怎么写

原式
=(x-y)^2-3(x-y)-10
=[(x-y)-5][(x-y)+2]
=*(x-y-5)(x-y+2)