$\int\left(\frac{\frac{1}{4}+\frac{9}{2}x^5}{\frac{3}{4}x^6+\frac{1}{4}x}\right)dx$

$\int\:\frac{3x+3}{2x^2+4x}dx$

$5x-\:4y\:-3y$

$\lim_{x\to0}\left(\frac{2\sin\left(x^2\right)}{1-\cos\left(x\right)}\right)$

$\left(h-3\right)\left(2h+4\right)$

$\left(4a^3b^5c\right)^2$

$\int cos^6\theta\:sin^2\theta\:d\theta\:$