решите уравнение x квадрат -7x=8 - №15938511

решите уравнение x квадрат -7x=8
- Предмет:
  Алгебра
- Автор:
  jeffersonfarrell
- 5 лет назад

Ответы 1

$x^{2} -7x=8$ $x^{2} -7x-8=0$ По формуле Вета: $\left \{ {{ x_{1}+ x_{2} =7} \atop {x_{1} * x_{2} =-8}} ight.$ $x_{1} =-1, x_{2} =8$
- Автор:
  pratt
- 5 лет назад
- 0
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