$\left(6a^2\right)^2$

$\frac{2x^2+13x+15}{x+5}$

$4a^5b^2bax$

$2\left(x-5\right)\le10x+14$

$\lim_{x\to\infty}\left(\frac{\ln\left(x\right)}{3x}\right)$

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

$\int_4^{\infty}\left(-5e^{\frac{y}{2}}\right)dx$