document.write( "Question 923975: Peter is 7 years old and Mary is 3 years old. In how many years will the product of their ages be 96?
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document.write( "I need a quadratic equation to solve this question \n" );
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Algebra.Com's Answer #560513 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Currently:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Peter: 7 years old \n" ); document.write( "Mary: 3 years old\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x years into the future\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Peter: 7+x years old \n" ); document.write( "Mary: 3+x years old\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply their future ages and you force that product to be 96\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(7+x)*(3+x) = 96\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "21 + 7x + 3x + x^2 = 96\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2 + 10x - 75 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I'll let you take over.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let me know if that helps or not. Thanks.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you need more help, feel free to email me at jim_thompson5910@hotmail.com\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "My Website: http://www.freewebs.com/jimthompson5910/home.html\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |