September 2018 1 19 Report

rozwiąż rownania i nierównosci kwadratowe

a) (x-3)² - 4 (x+2)=25

b) x² - x - 12 ≥ 0

c) 2x² - 4x < 3 (1-x) - 5

rozwiąż równania i nierównosci

a)2x³ + 7x² + 7x + 2 = 0

b) (x² - 6x + 8 ) (x² - 4) (x - 7)≥ 0


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