$5m^2+7m+2$
$\frac{dy}{dx}=\frac{3+17x}{xy^2}$
$\left(x+\frac{1}{x}\right)^2=7$
$s^2+3s-10$
$3a^2-6\:+3b^2$
$m^2-+-42>0$
$2x\cdot4x^{0}$
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