$\int_0^{\infty}\left(\frac{\left(5x-3\right)^3}{x^3}\right)dx$

$\frac{25}{64m^4}-\frac{70}{32m^2n^2}+\frac{49}{16n^4}$

$\frac{9}{1}\cdot\frac{18}{6}$

$6x^2y^2+-x^2y^2+-9x^2y^2$

$\frac{dy}{dx}\left(y=x^4\:sin\:x\:cos\:x\right)$

$4\cos\left(x\right)=-3$

$\frac{x^{-4}x^{-4}y^{-8}}{y^6}$