document.write( "Question 316715: How do I simplify the rational expression? (book says)you will need to use factoring by grouping.\r
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Algebra.Com's Answer #226661 by mananth(16946)\"\" \"About 
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ax-3x+2ay-6y
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\n" ); document.write( "\n" ); document.write( "=x(a-3)+2y(a-3) / 2x(a-3)+y(a-3)
\n" ); document.write( "=(x+2y)(a-3) / (2x+y)(a-3)
\n" ); document.write( "=(x+2y) /(2x+y)
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