" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x^2=6
x=-v6 v x=v6
b)
(3-x)*x=0
x=3 v x=0
c)
x^2+1=0
x^2=-1
sprzeczne
d)
(x+9)(x-1)=0
x=-9 v x=1