September 2018 1 13 Report

1.Rozwiąż równanie;

a)-1/4x^{2}+x+2=o

b)(x-3){2}+(x-2){2}-(x-1){2}=0

c)-6x{2}+13x+5=0

2.Rozwiąż nierówność:

a)(3x-1){2}-4(2-x){2}>0

b)b)x{2}-8x+15\geq-1x(2-3x)\geq-3(x+2)


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