Selfridges[?], luxury department store that has been on this site for more than a century
HMV, although they moved from their original location in 2000 after 80 years. HMV has two other stores on the street including its flagship, which is Europe's largest music store.
... is negative, then there are two different solutions x, both of which are complex numbers. The two solutions are complex conjugates of each other. (In this case, the parabola ...