$7t\frac{dq}{dt}-3\left(lnt\right)q=0$
$\frac{x^3+3x^2+3x+1}{x}$
$x^3+5x^2-9x=0$
$\int\left(\frac{\sqrt{x^2+a^2}}{x^4}\right)dx$
$\left(x^{3n}+2\right)\left(x^{3n}-2\right)$
$\left(-115\right)\cdot0$
$66\cdot p^{10}9z^2$
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