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

$xy^2-x^3y$

$\left(x-3\right)^2\left(x+5\right)^2$

$b^{\left(2\right)}c+bc^{\left(3\right)}+c^{\left(4\right)}$

$\lim_{x\to\infty}\left(1+\frac{3}{x}\right)$

$\int e^{ax}\cos\left(ax\right)dx$

$\left(4a^2b^n+11c^{2n}d^{\frac{n}{2}}\right)\left(4a^2b^n-11c^{2n}d^{\frac{n}{2}}\right)$