$\lim_{x\to0}\left(\frac{x-1}{e^x}\right)$
$\int_0^{\infty}\left(\frac{8}{\left(2x+1\right)^3}\right)dx$
$-4\sqrt{x}+\frac{\sqrt{x}^3}{2}$
$5x^2-7x-90$
$x^2-1>\frac{3}{4}$
$f\left(x\right)=x^2\:+\:7x\:+\:10\:and\:g\left(x\right)\:=\:\left(x\:+\:5\right)\:\left(x\:-\:2\right)$
$6n+2$
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