$x+2=3x-2$
$\left(3+xy\right)\left(3-xy\right)$
$sin\left(\frac{1-i}{\sqrt{2}}\right)$
$\frac{x}{2}-2=1$
$n^2+4n-32$
$\left(a^2+5\right)\left(a^2-8\right)$
$y^{12}\cdot y^9$
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