$3^2+2^2-\left(2\cdot3\cdot2\right)\cdot0.5$

$\int\left(\frac{x}{\sqrt{x^2+6}}\right)dx$

$\int\left(2-t^2\right)e^{\left(6t-t^3\:\right)}\:dt$

$a^4-16=0$

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

$\tan\left(a\right)=\frac{1}{2}$

$\left(x^{\frac{1}{2}}-a^{\frac{1}{2}}\right)\left(x^{\frac{1}{2}}+a^{\frac{1}{2}}\right)$