Szczegółowe wyjaśnienie:
(x-1)(x+1):x-1=0
x²+1x-1x-1:x-1=0
x²-1:x-1=0
x²+1=0
x²=0-1= -1
x²= -1
x= -0,5
chb dobrze, jak źle to sory
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Verified answer
Szczegółowe wyjaśnienie:
(x-1)(x+1):x-1=0
x²+1x-1x-1:x-1=0
x²-1:x-1=0
x²+1=0
x²=0-1= -1
x²= -1
x= -0,5
chb dobrze, jak źle to sory