document.write( "Question 475565: The sum of two numbers is 17 and the sum of their square is 145. Find the larger #?\r
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document.write( "Answers a) 10, b) 11, c) 8, d) 9, e) None \n" );
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Algebra.Com's Answer #326143 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x+y =17 \n" ); document.write( "x=17-y \n" ); document.write( "x^2+y^2=145\r \n" ); document.write( "\n" ); document.write( "(17-y)^2+y^2=145\r \n" ); document.write( "\n" ); document.write( "289-34y+y^2+y^2=145 \n" ); document.write( "2y^2-34y+289-145=0 \n" ); document.write( "2y^2-34y+144=0 \n" ); document.write( "/2 \n" ); document.write( "y^2-17y+72=0 \n" ); document.write( "y^2-9y-8y+72=0 \n" ); document.write( "y(y-9)-8(y-9)=0 \n" ); document.write( "(y-9)(y-8)=0 \n" ); document.write( "y=9 \n" ); document.write( " |