Question

Решите уравнение x^2+6x+12

Answer 1

6x² - 6x - 12 = 0

6(x² - x - 2) = 0

x² - x - 2 = 0

D = 1 + 1*(-2)*(-4) = 1+8 = 9

√D = 3

x₁ = (1 + 3)/2 = 2

x₂ = (1 - 3)/2 = -1

Ответ: -1; 2