$\left(0.5+x\right)\cdot\left(0.5-x\right)$
$9x^9-10b^6\left(9x^9+10b^6\right)$
$\left(2p^5-9\right)\left(2p^5+4\right)$
$\int\:\frac{2\left(x+3\right)}{e^x}dx$
$45x^5y^3z^5+60x^7y^2-30x^4y^5$
$\frac{2}{9}x+\frac{1}{4}x=51$
$1.3+2.25$
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