Ответ:
252х²-0.5-0.6-42х²+0.5-102х²<0
108x²-0.6<0
18x²-0.1<0
180x²-1<0
x²<1/180
-√1/180<x<√1/180
ответ: (-√1/180;√1/180)
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Ответ:
252х²-0.5-0.6-42х²+0.5-102х²<0
108x²-0.6<0
18x²-0.1<0
180x²-1<0
x²<1/180
-√1/180<x<√1/180
ответ: (-√1/180;√1/180)