Mathematics
Senior High
数1 共通な因数がある因数分解ということですがこの問題の共通因数の探し方がわかりません💦
至急お願いしたいです
(2) (a - b)x+(b-a)y=(a - b)x-(a - b)y
=(a-b)(x-y)
b-a=-(a - b)
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