December 2018 1 20 Report
13. Rozwiąż rownanie b) 2(x-3)^2/5 - 3(x + 4)^2/10 + (x-2) (x+2)/3 = -(2+x)^2/2 + 2x(7x - 1)/15

Prawidlowy wynik to: -0,2, ale mi chodzi o obliczenia :) Daję naj!


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