Mathematics
Senior High

3番を教えて欲しい

③ (3z+2の2 / ーー一 | ー 細 き ee 2

Answers

(a+b)²=a²+2ab+b²と同じ解き方で計算をします。

(3a+2b)²=(3a)²+2×3a×2b+(2b)²=9a²+12ab+4b²
となります。

MISAKI 🐰

ありがとうございます😊

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