Mathematics
Junior High
Resolved
問4の問題判別式出来ないんですか？
x
(x-5)
定数
15-2x+20
xx+520
D=4-4x/x5=0
0:16 1650
すべての実数/
4)2√2x+1=-2x
2
2x+212x+1202221841-12
D=8-4×2×1
D:0
4
C
020
解なし
2.
X-2
Answers
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