$x^7=e^{8x^7-2y^7}$
$y^2-10y+7=0$
$-4.5m^3n^2-2.5m^3n^2$
$b-11\ge6$
$2m\left(3m^2-m-5\right)$
$a^2+ab^2$
$a^2+8a-16$
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