найдите значение выражения -2у(-4у+6x)-(3x-2y)^2 при x=корень из 7 y=корень из 6 - №30130608

найдите значение выражения -2у(-4у+6x)-(3x-2y)^2 при x=корень из 7 y=корень из 6
- Предмет:
  Алгебра
- Автор:
  houston55
- 5 лет назад

Ответы 1

-2у(-4у+6x)-(3x-2y)^2 при x=корень из 7 y=корень из 6
-2у(-4у+6x)-(3x-2y)^2=8y²-12xy-9x²+12xy-4y²=4y²-9x²=4*6-9*7=24-63=-39
- Автор:
  dickensnunez
- 5 лет назад
- 0
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