$\int\frac{4x-1}{\left(x+4\right)\left(x-4\right)\left(x+2\right)}dx$

$\int x^4sin\left(8x^5\right)dx$

$\:2x\left(3m+4n\right)+5y\left(3m+4n\right)$

$\left(2x^3-3x^2+4x-2\right)-3\left|\left(x^4-x^3+4\right)+\left(3x^2-5x+5\right)\right|$

$\frac{3}{x+1}-4$

$\frac{dy}{dx}\:sin^2\:\left(e^x\right)$

$2\times\:\left(\frac{4}{3}-\frac{5}{6}\right)$