document.write( "Question 747236: What time what Equals 196 and adds up to get 53 \n" ); document.write( "
Algebra.Com's Answer #456322 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! xy=196\r \n" ); document.write( "\n" ); document.write( "x+y =53 (or y=53-x)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x(53-x)=196\r \n" ); document.write( "\n" ); document.write( "53x-x^2=196\r \n" ); document.write( "\n" ); document.write( "x^2-53x+196=0\r \n" ); document.write( "\n" ); document.write( "-49 and -4 work...\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2-49x-4x+196=\r \n" ); document.write( "\n" ); document.write( "x(x-49)+4(x-49)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x+4)(x-49)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so we use x=49\r \n" ); document.write( "\n" ); document.write( "and then we see y=4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ":) \n" ); document.write( " |