Prosze o pomoc ludziska!!! Rozwiąż równania:
a) (x-8) (2x - 16) (30-3x)=0
b) (5+x) (x^2-6x-7)>0
c) 7x^2 - 18x = 0
d) 2x^3 - 1x = 0
e) 3x^2 +14x^2 - 5x = 0
Pomocy!!!
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