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Nuketti
@Nuketti
August 2021
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решите уравнение, просто лекго
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Trofimkirillov
(x-1)²+(x-2)²=2(1-x)(x-2)
x²-2x+1+x²+4x+4=2*x-2-x²+2x
x²-2x+1+x²+4x+4=2x-2-x²+2x
x²-2x+x²+4x-2x+x²-2x=-2-1-4
3x²-2x=-7
3x²-2x+7=0
D=-2²-4*3*7=4-84=-80
D<0,поэтому нет корней
Ответ:нет решения
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Answers & Comments
x²-2x+1+x²+4x+4=2*x-2-x²+2x
x²-2x+1+x²+4x+4=2x-2-x²+2x
x²-2x+x²+4x-2x+x²-2x=-2-1-4
3x²-2x=-7
3x²-2x+7=0
D=-2²-4*3*7=4-84=-80
D<0,поэтому нет корней
Ответ:нет решения