$\frac{2\:\sin^3\left(x\right)}{1-\cos\left(x\right)}=2\:\sin\left(x\right)+\sin\left(2x\right)$
$-3x+5+3x-2x^2$
$\int\left(\cot^2\left(x\right)\csc\left(x\right)\right)dx$
$\left(x^2+2\right)\left(x^3+y-1\right)$
$x^2+9x+20=0$
$\left(\sqrt[3]{4x}\right)\left(\sqrt[3]{25x}\right)$
$\frac{1}{2}x-x+\frac{3}{2}x-1$
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