$5x\:+\:2\:<\:2x\:$

$\frac{dy}{dx}\left(y=x^{\frac{4}{x}}\right)$

$\frac{2^2+\left(-4\right)^2}{3^2-2^2}$

$\tan\left(x\right)+\cot\left(x\right)=\frac{2}{\sin\left(x\right)}$

$\int\left(\frac{sec^4x}{tan^2x}\right)dx$

$y^2+2y-168$

$\frac{\left(x^3+6x^2-13x-12\right)}{\left(x-3\right)}$