$\lim_{x\to1}\left(\frac{cos\left(\pi\:x\right)+x^2}{lnx-2x+2}\right)$
$\frac{4x^2-9y^2}{2x+3y}$
$\sqrt{3\left(3\right)^2+5\left(4\right)+2}$
$6v^2\:+\:66v\:+\:60$
$\sqrt{12}x^2=2\sqrt{3}$
$-8z+2+5+1+5z+5z+2$
$\int\left(3x^2+2x^2-4\right)dx$
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