$\frac{\left(\left(35x^9-21x^4+21x\right)\right)}{7x}$

$\frac{6x^5+7x^4-18x^3+10x^2+7x+1}{3x^3-x^2+2}$

$x-9\ge8$

$5y+5<0$

$-\left(5a^2^m-9\right)\left(9+5a^2^m\right)$

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

$\frac{dy}{dx}\left(\left(x^2y^2\right)-2x=5\right)$