December 2018 0 44 Report
2. Rozwiąż i sprawdź następujące równania:
a) (y-1) * y - y^2 =2
b) (2x-5) 2x- 4 (x^2+1) = 1
c) (x+1) (x-1) -3x = x^2 +2
d) x(x-2) - (x+1) (x-3) = 1+ 2x
e) (x-4) (x+1) +4 (x+2) = x^2 -3
f) (0,5x +1) 2-3x (x+1) = - (√3x) ^2
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