document.write( "Question 606961: Chris says, I am thinking of two positive integers that have a difference of 8 and the sum of their squares is 610.\" Algebraically determine the integers that Chris is thinking of. \n" ); document.write( "
Algebra.Com's Answer #382329 by mananth(16946)![]() ![]() You can put this solution on YOUR website! if one integer is x \n" ); document.write( "the other will be x-8\r \n" ); document.write( "\n" ); document.write( "x^2+(x-8)^2=610\r \n" ); document.write( "\n" ); document.write( "x^2+x^2-16x+64=610\r \n" ); document.write( "\n" ); document.write( "2x^2-16x=546\r \n" ); document.write( "\n" ); document.write( "/2 \n" ); document.write( "x^2-8x=273\r \n" ); document.write( "\n" ); document.write( "x^2-8x-273=0\r \n" ); document.write( "\n" ); document.write( "x^2-21x+13x-273=0\r \n" ); document.write( "\n" ); document.write( "x(x-21)+13(x-21)=0 \n" ); document.write( "(x-21)(x+13)=0\r \n" ); document.write( "\n" ); document.write( "x=21 OR -13\r \n" ); document.write( "\n" ); document.write( "The integers are positive \n" ); document.write( "so the numbers are 21 & 13 \n" ); document.write( " |