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因数分解なら3乗の公式で
(a -5)(a^2+5a+25)
(3a+2b)(9a^2 -6ab+4b^2)
になりますよ！
問題が違ったらすいませんm(_ _)m
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因数分解なら3乗の公式で
(a -5)(a^2+5a+25)
(3a+2b)(9a^2 -6ab+4b^2)
になりますよ！
問題が違ったらすいませんm(_ _)m
Users viewing this question
are also looking at these questions 😉
