$\left(11a^4+4b^3\right)^2$
$8x^3-12x^2y^3$
$10a^2+10-20$
$18a^2+18ab-8b^2$
$\int\:\frac{1}{\sqrt{-v^2+4}}dv$
$\left(5\:+\:2y\right)^2$
$16x^2+14$
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