August 2018 1 9 Report
Zad 1. Rozwiąż równanie kwadratowe:
a) 3x² + 7x - 20 = 0
b) ( 3x - 1) ( 4x + 5) = ( 4x + 5) ( 2x - 1)

zad 2. Rozwiąż nierówność kwadratowa:
a) ( 2 - x ) ( x + 4) - ( 2 - x ) ( 1- 2x ) < 0
b) - 4x² + 9x - 5 > 0
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