Ответ:
х²-2х+2х-1÷х-1=3
х²-1÷х-1=3
(х-1)(х+1)÷(х-1)=3
х+1=3
х=2
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Ответ:
х²-2х+2х-1÷х-1=3
х²-1÷х-1=3
(х-1)(х+1)÷(х-1)=3
х+1=3
х=2