In 1996 Cleveland was split into four unitary authorities, namely Hartlepool[?], Middlesbrough[?], Stockton[?] and Redcar and Cleveland[?].
Towns and villages
... 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, ...