$92-86.93$

$\int_0^4\left(\frac{x^2+x+1}{\left(x+1\right)^2+\left(x+2\right)}\right)dx$

$\frac{d}{dx}4x^2-8y^2=36$

$\frac{d}{dx}b^2\cdot x^2+a^2\cdot y^2=a^2\cdot b^2$

$\left(2m^3-4\right)\left(2m^3+4\right)$

$\:x^2+y^2=17$

$y\left(\frac{dy}{dx}\right)^2+2x\frac{dy}{dx}-y=0$