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ПросветленныйУм
@ПросветленныйУм
June 2022
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ДАЮ 30 баллов!!!
[tex]x( x^{2} +2x+1)=2(x+1)[/tex]
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Kalimbet
X³+2x²+x=2x+2
x³+2x²-x-2=0
(x³-x) + (2x²-2) = 0
x(x²-1) + 2(x²-1) = 0
(x²-1)(x+2) = 0
отсюда:
x²-1=0 и x+2=0
x=±1 и x= -2
x1=-1; x2=1; x3= -2
Три корня ( 3 ответа)
1 votes
Thanks 1
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Answers & Comments
x³+2x²-x-2=0
(x³-x) + (2x²-2) = 0
x(x²-1) + 2(x²-1) = 0
(x²-1)(x+2) = 0
отсюда:
x²-1=0 и x+2=0
x=±1 и x= -2
x1=-1; x2=1; x3= -2
Три корня ( 3 ответа)