document.write( "Question 1017421: Factoring trouble\r
\n" ); document.write( "\n" ); document.write( "16m^3 + 28m^2 + 12m + 21
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Algebra.Com's Answer #633688 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
Once more, by grouping we get
\n" ); document.write( "16m^3 + 28m^2 + 12m + 21
\n" ); document.write( "4m^2(4m + 7) + 3(4m + 7) =
\n" ); document.write( "(4m^2 + 3)(4m + 7)
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