document.write( "Question 1158440: which of the following is a suitable common denominator for combining there two rational expressions?
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\n" ); document.write( "c.(x+3)(x-3)
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Algebra.Com's Answer #781382 by ikleyn(52879)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Hey, do you see any rational expression in your post ?\r
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