$\int\left(\frac{\left[ln\left(5x\right)\right]^9}{x}\right)\:dx$

$\frac{d}{dx}x^2y^2-14x=5$

$-6+1-8\left(-2\right)-4$

$b+2+9+6x$

$6x\:\ge\:3\:+\:4\left(2x\:-\:1\right)$

$y'=\frac{4}{x^2-4}$

$\sec^2\left(y\right)\csc^2\left(y\right)=\sec^2\left(y\right)+\csc^2\left(y\right)$