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  • Użytkownik Zadane
2009-11-27T08:52:00+01:00
(2x-2)(x-3)<(x-3)(x-4)
2x²-6x-2x+6<x²-4x-3x+12
2x²- x²-6x-2x+4x+3x<12-6
x²+x-6<0
2009-11-27T09:15:50+01:00
(2x-2)(x-3)<(x-3)(x-4)
2x²-6x-2x+6<x²-4x-3x+12
2x²-8x+6<x²-7x+12 |-x²
x²-8x+6<-7x+12 |+7x
x²-x+6<+12 |-6
x²-x<-6