$\lim_{x\to-\pi}\left(\frac{8\cos\left(x\right)+8}{\left(x+\pi\right)^2}\right)$

$9x-5>8x+6$

$\lim_{h\to0}\left(\frac{\left(a+h\right)^n-a^n}{h}\right)$

$xy'+5y=7x^2$

$-49a^{10}^n-\frac{h^{12x}}{81}$

$\left(\left(-2\right)x=16\right)$

$f\left(x\right)=\left(\frac{2}{x-1}\right)^5$