document.write( "Question 1086713: factor by grouping 9-4x^2+4xy-y^2 show solution \n" ); document.write( "
Algebra.Com's Answer #700923 by josgarithmetic(39616)\"\" \"About 
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\"9-%284x%5E2-4xy%2By%5E2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"9-%28y%5E2-4xy%2B4x%5E2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"9-%28y-2x%29%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"%283%2By-2x%29%283-%28y-2x%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%283%2By-2x%29%283-y%2B2x%29\"
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