from typing import Tuple


def solve_quadratic_equation(a: float, b: float, c: float) -> Tuple[float, float]:
    """Both solutions of the quadratic equation

    .. math::
        x_{1,2} = \\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}

    Returns:
        tuple: Solutions.
    """
    discriminant = b**2 - 4 * a * c
    x0 = (-b + discriminant**.5) / (2 * a)
    x1 = (-b - discriminant**.5) / (2 * a)
    return x0, x1