$3-4-6+4-1-8-6-8+7$

$x^2+y^2+16=0$

$\frac{dy}{dx}=\frac{\left(y+y\cos\left(xy\right)\right)}{-\left(x+x\cos\left(xy\right)\right)}$

$2p^2+5p^2+6p+15$

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

$2x-1=-7$

$\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}}\left(\sqrt{\left(2acose\right)^2}+\left(\sin\left(e\right)^2\right)\right)de$