$\lim_{x\to-4}\left(\frac{2x+4}{4}\right)$
$\left(t^3+4v^2\right)^2$
$y^2=576$
$x^{2}-3y-2z+2x^{2}-6y+3z+x$
$\frac{2n\left(2n-1\right)}{\left(2n+2\right)\left(2n+3\right)}$
$\sin\left(x\right)=\frac{3}{7}$
$\:5-\left|7-2-\left(1-9\right)-3\:+12\right|+4$
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