$\int\frac{x\left(x^2-2\right)}{\left(x^2+1\right)}dx$

$\left(y^{-1}+y^{-2}\right)\left(6y^{-3}-8y^{-4}\right)$

$\frac{dy}{dx}\left(y=8x\left(sin\left(ln\left(8x\right)\right)\right)+cos\left(ln\left(8x\right)\right)\right)$

$\frac{dy}{dx}=\left(\frac{x}{3x-2y}\right)$

$f\left(4\right)=-2\cdot4+3$

$\int\left(3x-5\right)^3dx$

$\frac{4x^2-64}{2x+8}$