$\frac{x}{-2}-5\le\:-10$

$2\left(2\right)^2+9\left(2\right)\left(-3\right)+5\left(2\right)\left(-3\right)-7\left(2\right)^2$

$\int\frac{1}{\left(x^{\frac{1}{2}}-x^{\frac{1}{4}}\right)}dx$

$\lim_{x\to3}\left(x^2\left(3x-4\right)\left(9-x^3\right)\right)$

$g^2=16$

$3\left(2x+3\right)>4\left(3x+10\right)$

$\cot\left(x\right)=\frac{15}{8}$