Question 1179815
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6m^2 + 18mn + 12n^2 = 6*(m^2 + 3mn + 2n^2) = 6*(m+n)*(m+2n).



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Civilized people feel themselves  OBLIGED  to write a question,  when ask for help.


It is a necessary form of politeness.



What is the feeling of non-civilized people,  I don't know,  at all.