$b^2-6b+8$
$x^5-\frac{1}{x}$
$\int ln\left(2q-1\right)dq$
$2\:cos2\:a\:-\:1$
$a^5-9a^3+6a^2-20\:-\:-a^4+11a^3-a^2$
$\frac{6}{4}X^4+\frac{15}{20}X^2$
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