Ответ:
х(х^2+2х+1)-6(х+1)=0
х(х+1)^2-6(х+1)=0
(х+1)(х(х+1)-6)=0
х+1=0
х=-1
х^2+х-6=0
D=1+24=25
x1=-1+5/2=2
x2=-1-5/2=-3
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Ответ:
х(х^2+2х+1)-6(х+1)=0
х(х+1)^2-6(х+1)=0
(х+1)(х(х+1)-6)=0
х+1=0
х=-1
х^2+х-6=0
D=1+24=25
x1=-1+5/2=2
x2=-1-5/2=-3