Mathematics
Senior High
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この問題の答えが2枚目なんですけど、答えの-(b^2-bc+c^2)を、(bc-c^2-b^2)にしても大丈夫ですか。

*(4) a²b+b3+abc-a²c-ac²+bc²−ab²+c³ [a]
(4) 与式 =(b-c)a2-(b2-bc+c 2) a +(63+bc2+ c³)

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