$x^2-3x+8+5x-14$

$36x^5+60x^3-48x^4$

$\frac{\left(-x\cdot\:abs\left(y\right)\cdot\:\sqrt{abs\left(y\right)}\right)}{\left(y\cdot\:abs\left(x\right)\cdot\:\sqrt{abs\left(x\right)}\right)}$

$\lim_{x\to0}\left(\frac{\theta^2-\theta}{x^2}\right)$

$11.1+0.9$

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

$\int\frac{\left(5x\right)}{\left(4-x^2\right)^3}dx$