document.write( "Question 890889: find the value of x and y ..(solution set)\r
\n" ); document.write( "\n" ); document.write( "2x squared + 3xy - y squared = 4
\n" ); document.write( "x squared -4xy +3y squared = 5
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Algebra.Com's Answer #543108 by richwmiller(17219)\"\" \"About 
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2x^2+3xy-y^2 = 4
\n" ); document.write( "x^2-4xy+3y^2= 5
\n" ); document.write( "x=-1 y=-2
\n" ); document.write( "x=1 y=2
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