$\int\frac{2x}{\sqrt{5-x^4}}dx$

$\left(8m^5+1\right)\left(8m^5-1\right)$

$\left(\frac{\left(x+5\right)}{\left(x^2+2\right)}\right)^2$

$3-x\le2x\:-1:\:3$

$8.2\cdot10$

$\int\sec^2\left(x\right)\cos\left(\tan\left(x\right)+1\right)dx$

$\int\frac{\sqrt{x^2-9}}{3\cdot x}dx$