x² + px + q = 0
x₁ = - 1 x₂ = 12
q = x₁ * x₂ = - 1 * 12 = - 12
- p = x₁ + x₂ = - 1 + 12 = 11
x² - 11x - 12 = 0
x² + px + q = 0
x₁ = - 1 x₂ = 12
q = x₁ * x₂ = - 1 * 12 = - 12
- p = x₁ + x₂ = - 1 + 12 = 11
x² - 11x - 12 = 0
ответ:х^2-11х-12=0