February 2019 0 19 Report
Rozwiąż nierówności kwadratowe:
a) (x-4) (3x+5) < 0
b) 8x² + 2x + 7 < -2 + 7x² + 3
c) -x² + x - 6 < 0
d) x² ≥ x + 6
e) 4x² ≤ 12x - 9
f) 2 - x² ≤ 4x
g) x² + 6 < 0
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