" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x-1)-1=0 lub (x-1)+1=0
x-1-1=0 lub x-1+1=0
x-2=0 lub x=0
x=2 lub x=0
(x -1)² - 1 = 0
[ (x-1) -1][(x-1)+1] = 0
(x -2)x = 0
x = 0 lub x = 2
2x=1-2
2x=1/2
x=1/2 (jedna druga)