$\left(4+g^3\right)^2$

$\frac{\left(4x^2-26\right)}{2x+4}$

$\left(20\right)^2-\left(11\right)^2$

$\frac{c^{10}d^1}{c^9d^5}$

$\frac{d}{dx}\sqrt{\frac{x-2}{x^4+1}}$

$\lim_{x\to0}\left(\frac{x}{\left(sin\left(\frac{x}{6}\right)-tan\left(\frac{x}{7}\right)\right)}\right)$

$\left(y+1\right)dy=\left(x^2-1\right)dx$