Mathematics
Junior High
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どうやって解くか教えてください( ;∀;)

因数分解

Answers

✨ Best Answer ✨

y^2-9+2x(y-3)
=(y+3)(y-3)+2x(y-3)
=(y-3)(2x+y+3)
真ん中と量端に注目

美羽

ありがとうございます!、

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