September 2018 1 10 Report

Jak najszybciej można !!!

Rozwiąż nierówność.

a) (x+2)(2-x)>4(1-x)-(4-x)^2

b) (2x-1)^2-(3-x)(x+3)>=x(5x+2)

c) (5x+1)^2-(2-3x)^2<(4x+3)^2

d) (2x-3)^2-5(x+4)<(2x+1)^2-2(8x+1)


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