document.write( "Question 521912: The sum of two numbers is twelve. The sum of their squares is 74. What are the two numbers? \n" ); document.write( "
Algebra.Com's Answer #346636 by edjones(8007)![]() ![]() You can put this solution on YOUR website! x+y=12 \n" ); document.write( "y=12-x \n" ); document.write( "x^2+y^2=74 \n" ); document.write( "x^2+(12-x)^2=74 \n" ); document.write( "x^2+x^2-24x+144=74 \n" ); document.write( "2x^2-24x+70=0 \n" ); document.write( "x^2-12x+35=0 \n" ); document.write( "(x-7)(x-5)=0 \n" ); document.write( "x=7, y=5 \n" ); document.write( " |