$\int\frac{\sqrt{x}+\sqrt[3]{x}}{x}dx$

$-2\cdot3-4\cdot7+2\cdot5$

$\frac{d^2y}{dx^2}+\left(\frac{dy}{dx}\right)^2+1=0$

$\left(\frac{a^2-1}{a^2+1}\right)^2+\left(\frac{2a}{a^2+1}\right)^2=1$

$y^2-6y=0$

$\left(3x^2-\:2y\right)^2$

$\left(2nm^2\right)\left(-5nm^4-8m^2n^3+10m^3n^2\right)$