September 2018 1 20 Report

Rozwiąż nierówności
a) 2(x-1)^2 - (x+3)^2 \leq x(x-2)+1
b) (x+4)^2 - (x+1)2 \geq 2(x-1)

c) 2(x-5)^2 - 3(+2)^2 < 6-x2

d) (x-2)^2 - (x+5)(x-5) > -4(x+5)


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