Mathematics
Senior High
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→の部分の式の変換の仕方が何故こうなるのかがわかりません。

(4) (x+1)(x+2)(x+3)(x+4)-24 (a-c {(x+1)(x+4)}{(x+2)(x+3)}-24 = =(x+5x+4)(r2+5 +6)–24 =(r2+5r)2+10(r+5r) =(r+5r)(r+5r+10) =x(x+5)(x+5 +10)

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✨ Best Answer ✨

文字に置き換えた式が省かれているだけですね。

遊戯王

ありがとうございます!

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