January 2 - Newspapers in London, England erroneously report the death of Mark Twain. It is believed that the rumors began when Twain's cousin had become ill. Twain makes his famous statement "the report of my death was an exaggeration."
... 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 ...