document.write( "Question 806048: solve algebraically
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document.write( "x^2+y^2=17
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document.write( "x+y=5 \n" );
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Algebra.Com's Answer #485631 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x^2+y^2=17 \n" ); document.write( "x+y=5\r \n" ); document.write( "\n" ); document.write( "x^2+y^2+2xy-2xy =17 \r \n" ); document.write( "\n" ); document.write( "(x+y)^2-2xy =17\r \n" ); document.write( "\n" ); document.write( "5^2-2xy=17 \n" ); document.write( "2xy=25-17 \n" ); document.write( "2xy=8 \n" ); document.write( "xy=4 \n" ); document.write( "y=4/x\r \n" ); document.write( "\n" ); document.write( "x+(4/x)=5\r \n" ); document.write( "\n" ); document.write( "x^2+4=5x \n" ); document.write( "x^2-5x+4=0 \n" ); document.write( "x^2-4x-x+4=0 \n" ); document.write( "x(x-4)-1(x-4)=0 \n" ); document.write( "(x-4)(x-1)=0 \n" ); document.write( "x=4 OR 1\r \n" ); document.write( "\n" ); document.write( "plug x to get y\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |