document.write( "Question 521366: one positive integer is 1 less then twice another. the sum of their squares is 673. find the integers.... \n" ); document.write( "
Algebra.Com's Answer #346448 by Math_prodigy(24) ![]() You can put this solution on YOUR website! x=2y-1 \n" ); document.write( "X^2+y^2=673 \n" ); document.write( "(2y-1)^2+y^2=673 \n" ); document.write( "4y^2-4y+1+y^2=673 \n" ); document.write( "5y^2-4y-672=0 \n" ); document.write( " \n" ); document.write( "y=12 \n" ); document.write( "y=-11.2 - reject \n" ); document.write( "x=2*12-1=23 \n" ); document.write( "Answer: 12 and 23 \n" ); document.write( " |