document.write( "Question 468465: find the LCM of (9+4r)(81-16r^2) and (9-4r) \n" ); document.write( "
Algebra.Com's Answer #321444 by stanbon(75887)\"\" \"About 
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find the LCM of (9+4r)(81-16r^2) and (9-4r)
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\n" ); document.write( "Since (81-16r^2) = (9-4r)(9+4r)
\n" ); document.write( "the LCM is 81-16r^2
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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