Найду корень уравнения: 4x^2 - 12x = 0
2 4*x - 12*x = 0
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(-12)^2 - 4 * (4) * (0) = 144
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
x1 = 0
x2 = 3
x1 = 3.0
x2 = 0.0