$x^2+\:2x+1>0$
$\frac{x^2+5x+2}{x+2}$
$-x+5<0$
$dv=2\cos\left(\theta\:\right)$
$-3<-x+5$
$986+77$
$10-\left(-12\right)-\left(-3\right)-\left(-5\right)$
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