$\int\left(x^2-9x+7\right)\cdot e^{-x}dx$
$\left(2+tan\:x\right)^2$
$200q^2+280q+98$
$\lim_{w\to0}\frac{w^2}{\cos w-1}$
$2.\left(x+1\right)+1\ge3x+10$
$\int\frac{1}{x^3}\left(\frac{1}{\sqrt{x^2-4}}\right)dx$
$9x^2-12x+36$
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