х/(х+2)=2/(х-1)
х×(х-1)=2(х+2)
х×(х-1)-2(х+2)=0
х²-х-2х-4=0
х²-3х-4=0
х²+х-4х-4=0
х×(х+1)-4(х+1)=0
х+1=0
х-4=0
х=-1
х=4
х¹=-1 х²=4
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х/(х+2)=2/(х-1)
х×(х-1)=2(х+2)
х×(х-1)-2(х+2)=0
х²-х-2х-4=0
х²-3х-4=0
х²+х-4х-4=0
х×(х+1)-4(х+1)=0
х+1=0
х-4=0
х=-1
х=4
х¹=-1 х²=4