Mathematics
Senior High

1枚目の最後の式から、2枚目の最初の式までの変形の仕方を教えてください🙇‍♀️🙇‍♀️

JR 「パ-F dz=-「4-ェ")(4-ょ)きda 4-ポdz=-→(4-エ)(4-2)立dz 1 2 0
2 2 (4-エ)- 1 8 47 3 2 3 3

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