$\left(x+200\right)^4$

$\int9\sin^2\left(5x\right)dx$

$\left(x-1\right)^2+\left(1+x\right)^2=20$

$2a-a^2$

$\tan\left(t\right)=\frac{3}{4}$

$\left(\frac{4y^2z^{\frac{2}{3}}}{x^{\frac{1}{2}}}\right)^2\:.\:\left(\frac{x^{-3}y^6}{8z^4}\right)^{\frac{1}{3}}$

$\int3u^2du$