Ответ:
-1; 1; 8
Объяснение:
y³-8y²-y+8=0
y²(y-8)-(y-8)=0
(y-8)(y²-1)=0
(y-8)(y-1)(y+1)=0
y-8=0
y₁=8
y-1=0
y₂=1
y+1=0
y₃=-1
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Ответ:
-1; 1; 8
Объяснение:
y³-8y²-y+8=0
y²(y-8)-(y-8)=0
(y-8)(y²-1)=0
(y-8)(y-1)(y+1)=0
y-8=0
y₁=8
y-1=0
y₂=1
y+1=0
y₃=-1