Mathematics
Senior High
⑨の問題です!なんで自分の回答が違うんですか?どうやったら回答と同じ答えになるんですか🤷♀️?教えてください🙏
201*(1) 3x²-7x+2<0
*(3) 6x²-7x-3>0
(5) x2+5x+1<0
*(7) x² <4
*(9)
2x²-9≥0
(2) 2x²-7x-4≤0
TAS.
(4) x²-4x+2>0
*(6) 2x²+5x-1≥0
(8) x²-18>0
OBOCITAROD
103
(2x²9x²=土
19
x≤-√2
19
2
x 5.
x≤ -
3√√2
2
3√√2
2
€X
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有理化!!!完全に忘れてました🥲教えてくれてありがとうございます🙇♀️😊