$\frac{m}{s}\cdot\frac{m}{s^2}\cdot\frac{m}{1}$

$\lim_{x\to\infty}\left(\frac{\left(\ln\left(x\right)\:\right)^2}{2^x}\right)$

$\frac{1}{s^2+s-20}$

$\frac{x^3+2x^2-5x+7}{x+1}$

$\left(2+\sqrt{x^2+3}\right)\left(2-\sqrt{x^2+3}\right)$

$\frac{54x^4}{3x^2}$

$adc+cda+ac\left(3da+dc\right)=0$