$\left(2x^2+3x-1\right)\left(x+2\right)$

$xdy-y^3dx=0$

$6x+3=5x$

$\lim_{x\to\sqrt{\pi}}\left(\frac{\sin\:\left(x^2\right)}{x-\sqrt{\pi}}\right)$

$\left(y\right)^'\:=\frac{x^x}{\left(\cos\:\left(x\right)^{x+1}\right)}$

$\log_{\frac{3}{2}}\frac{27}{8}$

$\sin^2\theta\:\cdot\csc\theta\:=\sin\theta\:$