Решите уравнения х^2-2х=15 - №9676207

Решите уравнения х^2-2х=15
- Предмет:
  Математика
- Автор:
  madeleine4pv4
- 6 лет назад

Ответы 1

X^2-2x-15=0a=1,b=-2,c=-15D=b^2-4ac=64X1=-b+8/2a=5X2=-b-8/2a=-3
- Автор:
  beatriz
- 6 лет назад
- 0
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