$120=x+59$

$\left(a-3b\right)\left(a+11b\right)$

$6-12-18+12+16+14-12-14\infty18$

$\frac{x}{2}+\frac{3}{5}>\frac{3x}{2}-\frac{7}{6}$

$\frac{x^4-3x^3-2x^2}{-2x^2}$

$\lim_{x\to\infty}\left(\frac{4x^3-x^2+9}{1-x-2x^2}\right)$

$\left(\frac{1}{x}+8y^2x\right)dx+\left(8yx^2-sec^2y\right)dy=0$