Mathematics
Senior High
この問題を途中式教えてください🙇♀️
. 次の 2 次不等式を解け。
(1) ダー9z二14>0 (⑫⑰) 一x?十12x0 (3) 2十5z一36く0
(④ 一*2+3x寺10>0 (5) ダー4x一21=0 (6) 一10z十30く0
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