$\frac{d}{dx}\frac{x^2}{3x-2}$

$+4\cdot3+4\cdot5$

$-\log_{10}\left(8\right)+\log_{10}\left(80\right)$

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

$24cos^25x-12$

$\frac{-14}{\tan^2x}$

$\left(\frac{5x^2+x}{y}\right)\left(\frac{3x}{x}\right)$