$s^2-4s+20$
$2^0+2^1+2^2+2^3+2^4+2^5+2^6$
$\int x^3\left(2x^5+\frac{5}{x^4}-\frac{9}{x^7}\:\right)dx$
$54x^2+150x+104$
$\left(9x^2+4y^4\right)\left(9x^2-9y^4\right)$
$m^0-5^2$
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