-3<=x/4-1<1<br>-2<=x/4<2<br>-8<=x<8<br>-8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8
17 решений
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8x-24<0 8x<24 x<3<br>2x>=-9 x>=-4.5
-4 -3 -2 -1 0 1 2 сумма -7
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-10x^2<-9x-1<br>10x^2-9x-1>0
x12=(9+-корень(81+40))/20=(9+-11)/20=1 -1/10
=========-1/10========2======
+++++++++ ------------ ++++++
x<-0.1 x>1 jndtn 3