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(x-y)^2-(x-y)-2
(x-y)=Aとおくと、
A^2-A-2=(A-2)(A+1)
A=x-yに戻して、
(x-y-2)(x-y+1)
これで多分あってると思います！
ありがとうございます！
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(x-y)^2-(x-y)-2
(x-y)=Aとおくと、
A^2-A-2=(A-2)(A+1)
A=x-yに戻して、
(x-y-2)(x-y+1)
これで多分あってると思います！
ありがとうございます！
Users viewing this question
are also looking at these questions 😉
ありがとうございます！