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hellfire1
@hellfire1
July 2022
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x^3+2x^2-x-2=0 помогите решить
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MizoriesKun
X^3+2x^2-x-2=0
(X³+2x²)
-(x+2)=0
х²*(X+2x) - (x+2)=0
(х+2)*(х²-1)=0
отсюда :
х+2=0
х=-2
х²-1=0
х=1 х=-1
1 votes
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Answers & Comments
(X³+2x²) -(x+2)=0
х²*(X+2x) - (x+2)=0
(х+2)*(х²-1)=0
отсюда :
х+2=0 х=-2
х²-1=0 х=1 х=-1