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Автор - alikperova97

Решите уравние(х-5)^2-х^2=3

Ответ

Автор - ksainer
Х^2-10х-25-х^2=3
-10х-25=3
-10х=25-3
-10х=22
-х=22:(-10)
-х=-2,2
х=2,2
Ответ:2,2.

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