document.write( "Question 724008: 3x^2+14xy-49y^2
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Algebra.Com's Answer #443565 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
\"3x%5E2%2B14xy-49y%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2%2B21xy-7xy-49y%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"3x%28x%2B7y%29-7y%28x%2B7y%29\"\r
\n" ); document.write( "\n" ); document.write( "(x+7y)(3x-7y)
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