Mathematics
Junior High
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答えが(y-10)の二乗なんですが、(-y+10)の二乗でも大丈夫ですか?

2 100-20y+y

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✨ Best Answer ✨

(-y+10)^2
=y^2-20y+100 で一致するので大丈夫です

ありがとうございます

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