$9mn^2+12mn+16n^2$
$47m^2-10+58m^2-3$
$2b^5-b^2$
$\left(x^{-.5}+3x\right)\left(1-x^{-1}\right)$
$cos\left(x\right)=\sin\left(\frac{x}{2}\right)$
$\left(x^3+1\right)^4$
$x-2=-16$
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