$\frac{7sin\left(x\right)+8tan\left(x\right)}{tan\left(x\right)}$

$\int\arctan\left(\sqrt{8x^2}\right)dx$

$\frac{d}{dx}\left(\frac{\left(x^2+1\right)\left(\sqrt[3]{\sin\left(x\right)}\right)}{\left(x^2\right)\left(\sqrt{2x^2+5}\right)}\right)$

$\frac{a}{b}+\frac{3}{c}$

$x^2+17x+3$

$\frac{5m^4+626}{m+5}$

$\left(\frac{2}{3}a-\frac{7}{8}\right)^2$