$\int e^{\left(4x^2+1\right)}8xdx$

$5x^2-x\left(5x-3x\left(x-8\right)-11\right)+3$

$\int_0^{\frac{\pi}{4}}\left(\tan^5\left(\frac{x}{2}\right)\right)dx$

$12m^2n+24m^{3\:}n^2-36m^4n^3$

$\int\frac{-4x+2}{x^2-x+1}dx$

$\left(\frac{1}{5}x+1\right)\left(\frac{1}{5}x-4\right)$

$7k^5\cdot64k^3\cdot\frac{k^2}{2}$