$-4-3\cdot\left(-1\right)^{2}+10$
$\lim_{x\to0}\left(\frac{\sin\left(2x\right)-x}{x^3}\right)$
$\int x^2\left(x^2+1\right)^{-\frac{3}{2}}dx$
$\frac{x}{2}\ge-1$
$\left(1-x^3y^{-2}\right)^3$
$\left(4x^3y^2\right)\left(15x^3y^2\right)$
$\:\left(2+4i\right)^2$
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