$y^'=\frac{y}{1+x^2}$

$\frac{x^2-4}{6}\cdot\:\frac{3y}{2x+4}$

$1600-576$

$\int35tan^5\left(x\right)sec^4\left(x\right)dx$

$\left(3\cdot4\right)^4$

$\left(\left(\sqrt[3]{x-5}\right)-\left(\sqrt[3]{4-4x}\right)\right)\frac{1}{\left(x^3+27\right)}$

$11-\left(67-57\right)$