$\cos u\left(\frac{5}{8}\right)$

$y=\frac{1}{2}x^2+8x+32\:;\:x=-6$

$\left(-2xy^2\right)^5\left(\frac{x^2}{8y^3}\right)$

$\frac{4}{\sqrt{c}+d}$

$\lim_{x\to3}\left(\frac{\sqrt{x+1}-3}{x-3}\right)$

$\:\left(3x^3+16x\right)^3$

$\int\frac{x^2-2x+3}{\left(x+4\right)\left(x-3\right)}dx$