Mathematics
Senior High
Resolved

解説の意味を教えてくださいお願いします🤲

3 x x(3-x) 3(x-3)
2ーズ 2-ズ 3(-3)+x? 3xー3) (x+3(xー3) x+3 (2) 与式= 3ポxー3) 3x

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