October 2018 1 114 Report

Liczby 1 , -3 sa jedynymi pierwiastkami równania
A. x^3 + 2x^2= 3x
B. x^3 + 3x^2 - x - 3 = 0
C. (x-1)^2 (x^2+6x + 9 ) = 0
D. ( x+1) ( x^2 - 6x + 9 ) = 0
zbiorem rozwiazan nierownosci -3(x-2) (5+x) > lub równe 0 jest
A. ( -5,2)
B. ( -5 , 2 )
C. ( -∞ , -5) u ( 2 , ∞ )
D. ( -∞ , -5) u ( 2 , ∞ )
pomożecie ?? ;)


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