document.write( "Question 785787: please help me solve this D:
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document.write( "The difference of two integers is 18, if their product is 8200, what is the bigger number? \n" );
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Algebra.Com's Answer #477720 by mananth(16946) You can put this solution on YOUR website! let the numbers be x & y x>y\r \n" ); document.write( "\n" ); document.write( "x-y=18\r \n" ); document.write( "\n" ); document.write( "xy=8200\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=8200/y\r \n" ); document.write( "\n" ); document.write( "8200/y -y=18\r \n" ); document.write( "\n" ); document.write( "multiply equation by y\r \n" ); document.write( "\n" ); document.write( "8200-y^2=18y\r \n" ); document.write( "\n" ); document.write( "y^2+18y-8200=0\r \n" ); document.write( "\n" ); document.write( "y^2+100y-82y-8200=0\r \n" ); document.write( "\n" ); document.write( "y(y+100)-82y(y+100)=0\r \n" ); document.write( "\n" ); document.write( "(y+100)(y-82)=0\r \n" ); document.write( "\n" ); document.write( "y=-100 OR 82\r \n" ); document.write( "\n" ); document.write( "y=82 \n" ); document.write( "x=100\r \n" ); document.write( "\n" ); document.write( "The numbers are 100 & 82\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |