December 2018 1 45 Report
4. Rozwiąż następujące równania i nierówności:
a) 5x (x-2) - x(5x-2) = -4
b) (x-1)² - 3x > x²-4
c) x(2-x) + (x+2) (x-2) =2
d) (x-3) (x+3) - (x-2)² ≤ 19
e) x-2/2 - (x+1)² = (1-x) (1+x)
f) (x+1) * x-x² < 4 (x-3)
g) (x-3)² - (x+2) ² ≥ 0
h) (x-3) (x+2) + (x-4) ² = 2x²+1
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