$\left(m^3+4m^2+5m+2\right)\left(m+2\right)$
$-x^2\:+\:8x\:+416\:>0$
$x\:+\:y\:z=13$
$\frac{1+\cot^2x}{cotx}=\frac{1}{cosx-cos^3x}$
$11x^4\left(55x^6+22x^4\right)$
$\int\frac{2x+3}{x^2-x-2}dx$
$2x^2+9x+4=0$
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