Mathematics
Junior High
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求める途中式が分かりません🙇‍♀️

の:awctorwawig にmrツをトンピーっrr ーーキンTa

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✨ Best Answer ✨

a² を右辺に移項して、以下の公式を用いると導けます。
x²-y²=(x+y)(x-y)

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