$x+8^2$

$\int\left(\frac{x^2}{\left(x^3+9\right)^2}\right)dx$

$\int\:x\left(2x-4\right)^5\:dx$

$\int\left(\frac{1}{\left(x+1\right)\left(x^2+2\right)^2\left(x+2\right)^2}\right)dx$

$\int\left(2-cos3x\right)^2dx$

$628cm^2+1256cm^2$

$\frac{dy}{dx}=\frac{y\:sen\left(x\right)}{1-cos\left(x\right)}$