Mathematics
Senior High
Resolved
ここからどうやって変形しているのかがわかりません
1
(2)
x²-9
2
3
x²+3x
}
(x+3)x-3) x(x+3
(3)
*
4
2.
N
1
N
3.
-2
1
2
(2)
1
3
(2) (与式)=
x(x+3)
(x+3)(x-3)
x-3(x-3)
x(x+3)(x-3)
-2x+9
x(x+3)(x-3)
L
Answers
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めっちゃ理解しました!!ありがとうございます!