Question

Розв'язати рівняння

Answer 1

4x^2 - 11x - 3 = 0
a = 4, b = -11, c = -3
D = b^2 - 4ac = (-11)^2 - 4*4*(-3) = 169
x1 = (-b + sqrt(D))/2a = (11 + 13)/8 = 24/8 = 3
x2 = (-b - sqrt(D))/2a = (11 - 13)/8 = -2/8 = -1/4

Ответ: -1/4; 3.