$f\left(x\right)=\left(x+2\right)^2\sqrt{x^2+2}$

$x^4+16x^2+16$

$\sec x\cdot\csc x=\frac{1}{\sin x\cdot\cos x}$

$\lim_{x\to\infty}\left(a\cdot\frac{\left(.5m\right)\left(v-u\right)^2}{x\cdot t}\right)^{\left(-x-1\right)}$

$3\left(tan^2-sec^2\right)$

$16y^2+24+9$

$10x-5x+10x$