August 2018 1 20 Report
Zad.1 Rozwiąż nierówności:
a. x²+2x-3>0
b. -2x²+9x-9<0
c. -3x²+7x-2≥0
d. 15-2x-x²≤0
e. 14+5x-x²>0
f. 4x²-9x+5<0

Zad.2 Rozwiąż nierówności:
a. x²+5x+8>0
b. 2x²-x+7<0
c. (x-3)(2x-5)<4x²-2x-20
d. 4x²-1<(2x-1)(x+3)
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