Factor
\frac{m^{2}\left(k^{2}-7mn^{2}\right)}{7}
Evaluate
-n^{2}m^{3}+\frac{\left(km\right)^{2}}{7}
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\frac{-7mnm^{2}n+mk^{2}m}{7}
Factor out \frac{1}{7}.
m^{2}\left(-7mn^{2}+k^{2}\right)
Consider -7m^{3}n^{2}+k^{2}m^{2}. Factor out m^{2}.
\frac{m^{2}\left(-7mn^{2}+k^{2}\right)}{7}
Rewrite the complete factored expression.
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