Adolphe William Bouguereau ( November 30, 1825 - August 19, 1905) was a French academic painter[?]. A student at the Académie Julian in Paris, his realistic genre paintings and mythological themes were exhibited in the annual exhibitions of the Paris Salon[?] for his entire working life. Although he fell into disregard, due perhaps to his staunch opposition to the Impressionists[?], there is a new appreciation for his work.
... 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 both ...