October 2018 1 17 Report

Rozwiąż i sprawdź równania.

a) y(y -1) - y² = 2

b) 2x(2x-5) - 4 · (x² + 1) = 1

c) 3 · (x + 2) - x(1-x) - x² = 18

d) (x-3)x + 4 · (x-5) = x² - 2x + 4

e) 4x - 2 · (x+3) - 2x(x+5) = -3 · (x - 1) - 2x² +1

f) x + 2 - 3x(x+1) = -(x pierwiastek 3)²


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