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Ответ

Ответ дан
ZHAS0

x(x-4)=2+(x-1)²

x²-4x=2+x²-2x+1

-4x=2-2x+1

-4x=3-2x

-4x+2x=3

-2x=3

x= 3

- ____

2

Ответ

Ответ дан
marina23045

{x}^{2} - 4x = 2 + {x }^{2} + 1 - 2x \ {x}^{2} - {x}^{2} - 4x + 2x = 2 + 1 \ - 2x = 3 \ x = 3 div ( - 2) \ x = - 1.5

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