document.write( "Question 825600: The sum of two numbers is 24. The sum of the squares of the two numbers is 306. What is the product of the two numbers? \n" ); document.write( "
Algebra.Com's Answer #497437 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! x + y = 24 \n" ); document.write( "x^2 +y^2 = 306 \n" ); document.write( "solve for x in the first equation \n" ); document.write( "(24-y)^2 +y^2 = 306 \n" ); document.write( "576 -48y +y^2 +y^2 = 306 \n" ); document.write( "2y^2 -48y +576 = 306 \n" ); document.write( "divide both sides of = by 2 \n" ); document.write( "y^2 -24y +288 = 153 \n" ); document.write( "y^2 -24y +135 = 0 \n" ); document.write( "factor this equation \n" ); document.write( "(y-15) * (y-9) = 0 \n" ); document.write( "there are two solutions, (x=9, y=15) and (x=15,y-9) \n" ); document.write( "we are asked for the product of the two numbers \n" ); document.write( "9 * 15 = 15 * 9 = 135\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |