$mn.nm.m+n$
$2\cos\left(x\right)\sin\left(x\right)^2+2\cos\left(x\right)^3$
$\frac{1+\cos\left(b\right)}{\cos\left(b\right)}$
$-\frac{14}{3}x^4+\frac{7}{6}x^2$
$\left(n+q\right)\left(n-q\right)$
$10d\:+\:2d\:$
$289x^2-340x+10$
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