October 2018 2 8 Report

Rozwiąż równania:
a) 3x² + 10x + 3 = 0
b) -x²+ 3x + 4 = 0
c) 25x² - 10x + 1 = 0




Rozwiąż nierówności:
a) x² - 2x - 3 ≥ 0
b) 5x² + 10x - 15 < 0
c) -x² + 8x - 16 < 0
d) 4x² - 2x + 5 > 0


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