$49x^2-140x+100$
$\lim_{x\to0}\frac{x^2-x}{x}$
$\left(4xy^2+5wz^2\right)^2$
$\left(b-2\right)^5$
$\lim_{x\to0}\left(\frac{in\left(e^2+x\right)-2}{x}\right)$
$\int\sqrt{x^2-6x+13}\:dx$
$\left(-3x^4y^3\right)\left(-16a^2x^3\right)$
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