$\tan\left(2\right)x-\tan\left(x\right)=0$

$\left(x-\frac{1}{2}\right)\arcsin\left(\sqrt{x}\right)$

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

$12ab-10ab-30ab$

$9.8x^2-\frac{1}{2}+7x+1$

$\frac{\left(\frac{cos\:\theta}{sin\:\theta}\right)-1}{\left(\frac{cos\:\theta}{sin\:\theta}\right)+1}$

$x-26<14$