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-x<-60
x>60
x²-6x+9+5x<x²-49-2
x²-x+9<x²-51 /-x²
-x+9<-51 /-9
-x<-60 /*(-1)
x>60
x^2-x+9 <x^2-51 /-x^2
-x+9 <-51 / -9
-x <-60 /* ( -1 )
x >60