$-6x+2x+2x-6+6+2y+2x+2y$
$\cos\left(x\right)^2\:\:+\:1\:=\:\csc\left(x\right)^2$
$-5x+7>-10x-8$
$\left(x^2+4\right)\left(3x^2\right)+\left(x^3+2\right)\left(2x\right)$
$12\cdot102$
$\lim_{x\to7}\left(x^3\right)$
$-3a^4\cdot\left(-a\right)^2$
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