$\frac{x^3+x^2-x-1}{x-1}$

$\int\:\:5x^2e^{2x}dx$

$x^2-2x+4\le0$

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

$\frac{16y^7-24y^5+40x^4}{8y^2}$

$\int\left(\frac{\left(x^2\right)}{\sqrt{x^6+81}}\right)dx$

$\left(0.1xz^2+w^4z^5\right)^3$