Rozwiąz nierówność (x+5) do kwadratu < x do kwadrau +5
(x+5)²<x²+5
x²+2*x*5+25<x²+5
x²+10x+25<x²+5
x²-x²+10x<5-25
10x<-20/:10
x<-2
<
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(x+5)²<x²+5
x²+2*x*5+25<x²+5
x²+10x+25<x²+5
x²-x²+10x<5-25
10x<-20/:10
x<-2
<