Mathematics
Senior High
Resolved

この問題の模範解答は(x-1/2)^2
なのですが、(1/2-x)^2ではダメですか?
展開すれば、両方とも同じ式に戻ります。
ダメな場合、何故ダメなのか教えてください。

ーx+x? 4

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