$\frac{2x^3-4x^2-2x+3}{-3}$

$\int\frac{5ln\sqrt{x}}{6x}dx$

$xy^4dx\left(y^2+2\right)e^{-3x}dy=0$

$\:3-\log\left(x\right)=0$

$\frac{64}{169}x^{4}+\frac{16}{13}x^{2}y^{5}+y^{10}$

$\frac{\tan\left(118.\right)-\tan\left(73\right)}{1+\tan\:\left(118.\right)\tan\:\left(73\right)}$

$4x^{2\:}+12x$