document.write( "Question 599364: 21m^3 over m^2 - 4 divided by 7m^2 over m^2 plus 4m plus 4 \n" ); document.write( "
Algebra.Com's Answer #378920 by stanbon(75887)\"\" \"About 
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21m^3 over m^2 - 4 divided by 7m^2 over m^2 plus 4m plus 4
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\n" ); document.write( "[21m^3/(m^2-4)] / [7m^2/(m^2+4m+4)]
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\n" ); document.write( "= [21m^3/(m^2-4)] * [(m^2+4m+4)/7m^2]
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\n" ); document.write( "= [21m^4/7m^2] * [(m+2)^2/(m-2)(m+2)]
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\n" ); document.write( "= [3m^2]
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\n" ); document.write( "= [3m^4+6m^2]/[m-2]
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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