document.write( "Question 311249: The square of an integer is 66 more then five times the integer. Find two numbers for which this is true. \n" ); document.write( "
Algebra.Com's Answer #222609 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! The square of an integer is 66 more then five times the integer. \n" ); document.write( " Find two numbers for which this is true. \n" ); document.write( ": \n" ); document.write( "x^2 - 5x = 66 \n" ); document.write( "A quadratic equation \n" ); document.write( "x^2 - 5x - 66 = 0 \n" ); document.write( "Factors to \n" ); document.write( "(x-11)(x+6) = 0 \n" ); document.write( "Two solutions \n" ); document.write( "x=11 \n" ); document.write( "and \n" ); document.write( "x=-6 \n" ); document.write( ": \n" ); document.write( "Check x=-6 in original equation \n" ); document.write( "-6^2 - 5(-6) = \n" ); document.write( "36 - (-30) = \n" ); document.write( "36 + 30 = 66 \n" ); document.write( ": \n" ); document.write( "You can check x=11 \n" ); document.write( " |