$3x\:=\:-x\:+\:16$

$1+\left(\sec x\right)\left(\tan x\right)\left(\sin x\right)$

$\int\left(x+5\right)e^{-\left(x^2+10x\right)}dx$

$\int\left(\frac{\left(3x+27\right)}{\left(2x-2\right)\left(x+5\right)}\right)dx$

$\left(x^4+5x+9+x^2\right)-\left(x^3+4x^2-4\right)$

$\frac{d}{dx}\left(e^{\left(6x\right)}-\:sin\:\left(x+4y\right)=0\right)$

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