document.write( "Question 91796: Find two factors of 28 with a sum of 11. \n" ); document.write( "
Algebra.Com's Answer #66683 by mathispowerful(115)![]() ![]() ![]() You can put this solution on YOUR website! according to the problem:\r \n" ); document.write( "\n" ); document.write( "assume the two factors are x and y\r \n" ); document.write( "\n" ); document.write( "then x + y = 11 \n" ); document.write( " x*y = 28\r \n" ); document.write( "\n" ); document.write( "a quadratic equation can be formed:\r \n" ); document.write( "\n" ); document.write( "from the first equation y = 11 - x \n" ); document.write( "substitute y: \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "or \n" ); document.write( "\n" ); document.write( "solve this equation: (x -4)(x - 7) = 0\r \n" ); document.write( "\n" ); document.write( "so x = 4 and x = 7 \n" ); document.write( "the corresponding y values are y =7 and y = 4.\r \n" ); document.write( "\n" ); document.write( "The answer the two factors are 4 and 7. \n" ); document.write( " \n" ); document.write( " |