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

$\int_0^{\infty}\left(\frac{x^{\frac{3}{2}}}{\sqrt{1+x^5}}\right)dx$

$\left(-3\right)^2\cdot\left(-3\right)^0$

$m^3-2m+4$

$\left(-1\right)^2-1$

$2x^6\:-x^{-2}+3x^{-2}-2x^6$

$\sqrt{x}^2-\sqrt{4}x-\sqrt{5}$