$\left(n+q\right)\left(n-q\right)$
$\left(k+11\right)^3$
$\left(3y-4\right)\left(-2y^2+4y-3\right)$
$\left(3x+2y\right)\left(3-2y\right)$
$\lim_{x\to0}\left(\frac{\sin\left(x\right)}{\sqrt{x}}\right)$
$10=5x$
$67-50\left|-2\right|$
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