$\left(2\sqrt{w}-\frac{1}{\sqrt{w}}\right)^4$
$b^3-a^3$
$\frac{dv}{dx}=\left(v\right)^2-1$
$2y^3-7x^2=5$
$\lim_{x\to\infty}\left(\frac{x^3}{x^2-1}-\frac{x^3}{x^2+1}\right)$
$\frac{m^{-3}n^2}{2m^4}$
$3\cos^2+2\sin^2=3$
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