City of Angels is a film that was directed by Brad Silberling[?] in 1998. The film is a recasting of the story in Wim Wenders' film Wings of Desire, but moved to Los Angeles, California. In the film, an angel falls in love with a human and has to decide whether to become mortal to spend human life with her.
... square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must have y = b/(2a), so we add the square of b/(2a) to both sides, ...