Mathematics
Senior High
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数1です!最後の3行の意味がわかりません!
教えて欲しいです!
(2) a²b-c)+ b²c-a)+c²(a-b)
=(b-c)a²—(b²-c²)a+(b²c-bc²)
=(b-c)a²-(b+c)(b-c)a+bc(b-c)
=(b_c){a²-(b+c)a+bc}
=(b-cxa-b)(a-c)
=-(a-bb-cXc-a)
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ありがとうございます!めちゃくちゃ分かりやすいです!