Mathematics
Senior High
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因数分解です。途中式を教えてください🙇♂️メモ書きは無視してください！
2
Ⓒ (a²-U) (b²-1)-4ab
=a²b²-a²-b²+1 -4ab
2
= (6²³²1) a² + (-46) a-(6³²-1)
!! (b+l) (b-+ ) a² + (-4b) a (b+¹) (b)
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