$v=\:c\:\log\left(\frac{ec}{\left(c+d\right)a}\right)\:+\:d\:\log\left(\frac{ed}{\left(c+d\right)b}\right)$

$5x^2+13x+12=0$

$\log_{12}\left(5m-10\right)=\log_{12}\left(4m\right)$

$y'=\frac{1}{xseny+2sen2y}$

$\csc\left(28.65\right)$

$\left(\frac{1}{6}x^3\right)^2-2\left(\frac{3}{4}\:y^3\right)^2$

$x+4^x=y$