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

$\lim_{x\to\frac{\pi}{2}}\left(sec^3x+tan^3x\right)$

$\frac{\left(25+\left(\frac{1}{2}\right)t^2\right)}{\left(10+t^3\right)}$

$\:\left(3x^2\:-\:2y^3\right)^2\:+\:\left(3y^3\:+\:2x^2\:\right)\:-\:13\left(x^4\:-y^6\right)\:$

$13\sqrt{x}-5\sqrt{x-\frac{9x}{25}}$

$\left(\sqrt{6x}-\sqrt{2x}\right)^2$

$p^2+10p+4$