October 2018 1 20 Report

Rozwiąż równanie:

a) 3x{2}-9=0

b) (x+1)<span>{2}=4

c) 5x<span>{2}+1=0

d) x<span>{2}-71x=0

e) -x<span>{2}+2x+24=0

f) 2x{3}-4x{2}=0

g) x{3}-4x=3x{2}

h) x{3}-9x{2}+2x-18=0

Rozwiąż nierówność:

a) (x-5)(x+3)<=0

b) x{2}-6x+9=>0

c) 4x{2}-2x+1>0

d)-3(x+2)(x-4)>0


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