document.write( "Question 300485: Reduce the rational expression. (Show steps please) \r
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Algebra.Com's Answer #215637 by checkley77(12844)\"\" \"About 
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(x^2-49)/(3x-21)
\n" ); document.write( "(x-7)(x+7)/3(x-7) cancel out the (x-7) terms.
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