$n^2-2n-3=0$

$\left(y-\frac{3}{8}\right)^2$

$\int\left(\frac{9}{\left(3+x^2\right)^2}\right)dx$

$\left(0.5^3+4.8n^5\right)$

$\left(12a+3a^2b\right)^3$

$\frac{3}{4}\left(8y-12\right)$

$\frac{d}{dx}\left(\left(x^3\right)\left(y\right)+\left(x\right)\left(y^3\right)\right)$