Mathematics
Senior High

(3)の解き方を詳しく教えて下さい。

(3) 3a¹b-2a³b²-a²b³ (4) x²-13x²+36

Answers

①共通因数を見つける(今回:a^2×b)
②共通因数でくくる
③カッコ内をさらに因数分解

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