def METHOD_NAME(cls, b, t):
    (x1, y1), (x2, y2), (x3, y3) = b
    _t = 1 - t
    t2 = t * t
    _t2 = _t * _t
    _2_t_t = 2 * t * _t
    return (_t2 * x1 + _2_t_t * x2 + t2 * x3, _t2 * y1 + _2_t_t * y2 + t2 * y3)