$-85+1-6$

$49x^6-14x^3y^8+y^{16}$

$\int\frac{x-3}{\left(x^2+1\right)\left(x^2+x+1\right)\left(x-8\right)}dx$

$\frac{dy}{dx}\left(x=\sqrt[5]{y+\sqrt{y}}\right)$

$\left(-3\frac{5}{8}\right)\left(-24\right)$

$\int\left(16\left(4x-1\right)^{-5}\right)dx$

$\sqrt[4]{x^3+1}$