Ответ:
-(3d+8)+(d-1)>0
-3d-8+d-1>0
-2d-9>0
-2d>9
d<-2/9
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Ответ:
-(3d+8)+(d-1)>0
-3d-8+d-1>0
-2d-9>0
-2d>9
d<-2/9