A Farewell to Arms - Ernest Hemingway is published. In 2001, the book would be one of two books by Hemingway to be named to the list of the 100 best English-language novels of the 20th century by the editorial board of the American Modern Library.
... the common denominator is 4a2. We get
<math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math>
Taking square roots of ...