решите уравнение -4/х=3-х.

решите уравнение -4/х=3-х.
- Предмет:
  Алгебра
- Автор:
  jennyeapk
- 5 лет назад

Ответы 2

$-\frac{4}{x}=3-x$ $x eq 0$ | *x $-4=3x-x^2$ $x^2-3x-4=0$ $D=(-3)^2-4*1*(-4)=9+16=25=5^2$ $x_1=\frac{3-5}{2*1}=-1$ $x_2=\frac{3+5}{2*1}=4$ ответ: -1; 4
- Автор:
  kirby52
- 5 лет назад
- 0
-4=(3-х) х-4-(3-х) х=0-4+(-3+х)×х=0-4-3х+х^2=0х^2-3х-4=0D=9-4×(-4)=9+16=25 (5)x1=3+5/2=4x2=3-5/2=-1
- Автор:
  beetle71vm
- 5 лет назад
- 0
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решите уравнение -4/х=3-х.

Ответы 2

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