May Department Stores, Mary Livingstone[?] was working as a lingerie salesgirl here when she met her future husband Jack Benny. Later, the department store was used as a setting in his radio and television shows.
Sears & Roebuck[?], later Sears[?], its first mail order catalogs caused prices to drop all over the country, leading to their being called "the great price maker"
... of completing the square[?].
<math>ax^2+bx+c=0</math>
Dividing our quadratic equation by a, we have
<math>
x^2 + \left( \frac{b}{a} \right) x + ...