$\frac{\left(5ab^3\right)^2}{5a^3b^{-2}}$
$n^2-3n-110=0$
$-x+1=2x+1$
$7m^2-54m-16$
$6x\:+\:10\:+\:2x\:=\:42\:$
$\frac{1}{8}\sin\left(2\pi\right)$
$2x-5=4x+9$
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