$q^2+7q+10$
$4^4+2y^2+1$
$\frac{x-3}{x^3-1}$
$-\left(m^7z\right)^2$
$\frac{156.70}{12}$
$\frac{x-5}{5x}+1=\frac{x+2}{x}$
$\left(4a-b^2\right)^2$
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