✨ Best Answer ✨
3x²-2xy-y²-11x-y+6
●xの降べきの順に並べる
=3x²-2xy-11x-y²-y+6
●xの項、定数項をまとめる
=3x²+(-2y-11)x-(y²+y-6)
●定数項を整理
=3x²+(-2y-11)x-(y-2)(y+3)
●たすき掛け
={3x+(y-2)}{x-(y+3)}
●{ }の中を整理
=(3x+y-2)(x-y-3)
✨ Best Answer ✨
3x²-2xy-y²-11x-y+6
●xの降べきの順に並べる
=3x²-2xy-11x-y²-y+6
●xの項、定数項をまとめる
=3x²+(-2y-11)x-(y²+y-6)
●定数項を整理
=3x²+(-2y-11)x-(y-2)(y+3)
●たすき掛け
={3x+(y-2)}{x-(y+3)}
●{ }の中を整理
=(3x+y-2)(x-y-3)
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