$\int_{\frac{\pi\:}{6}}^{\frac{\pi\:}{3}}\left(\sin^2\left(2x\right)cos^2\left(2x\right)\right)dx$

$x\left(x+2\right)\le\left(x+6\right)$

$\frac{\left(3^5\right)^2}{3^8}$

$\left(3x^3y-\frac{2}{3}xy^3+\frac{1}{5}xy-1\right)-\left(-11xy^3+x+3x^3y-\frac{7}{2}xy\right)$

$\int x^3e^{-x}\sin\left(x\right)dx$

$\frac{cos\left(x\right)+sin\left(x\right)}{1+tan\left(x\right)}=cos\left(x\right)$

$3n^2+18-48$