Mathematics
Senior High
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なぜ(X-3)Y+(X-3)(X+5)から次の式の答えになりますか?

(1) 3x+xy+y2-3y-18-理す yx+3x+y²-3y-18 (y+3)x+(y²-3y-18), (y+3)x+(y+3)(y−6) =(y+3)(x+y-6) = = (8 A& K)(1-

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✨ Best Answer ✨

共通因数の(y+3)もしくは(χ−3)でくくっています。

なるほど!!ありがとうございますm(_ _)m

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