September 2018 1 15 Report

rozwiąż równania i nierówności kwadratowe:

1) 1/2x2 + 4x = 0

2) x² + x - 1 = 0

3) 3x² ≥ 3x

4) -2(x+1)(x-4) < 0

5) 3(x-3)² ≥ 0


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