\huge 
\white
\int_{0}^{1}\frac{x^{4}\left(1-x\right)^{4}}{1+x^{2}}dx
  =\frac{22}{7}-\pi

\huge 
\white
\[
x = \frac{{ - b \pm \sqrt {b^2  - 4ac} }}{{2a}}
\]