document.write( "Question 48474: find the least common denominator of the rational expressopns with denominators of 9x-63 and 12x-84.
\n" ); document.write( "please help me figure this out
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Algebra.Com's Answer #32076 by longjonsilver(2297)\"\" \"About 
You can put this solution on YOUR website!
9x-63 is 9(x-7) and 12x-84 is 12(x-7). So both terms have (x-7). How about the 9 and 12? Well both go into 36.\r
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\n" ); document.write( "\n" ); document.write( "So lowest common denominator is 36(x-7)\r
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\n" ); document.write( "\n" ); document.write( "jon.
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