October 2018 1 17 Report

Temat: Nierówności kwadratowe.

2.95. Rozwiąż nierówności:

a) (x-2)(x+3) > (x-2) (2x+5)

b) (x-3)2 > (x-3)(2x+9)

c) (x-4)2+ (x-4)(x+2) >0

d) (2-x)(x+4) -(2-x)(1-2x)<0 .


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