document.write( "Question 350068: the difference of two numbers is 5 and the difference of their squares is 136. the sum of the numbers is what? \n" ); document.write( "
Algebra.Com's Answer #250251 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! X-Y=5 OR X=Y+5 \n" ); document.write( "X^2-Y^2=136 \n" ); document.write( "(Y+5)^2-Y^2=136 \n" ); document.write( "(Y^2+10Y+25)-Y^2=136 \n" ); document.write( "10Y=136-25 \n" ); document.write( "10Y=111 \n" ); document.write( "Y=111/10 \n" ); document.write( "Y=11.1 ans. \n" ); document.write( "X=11.1+5=16.1 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "16.1^2-11.1^2=136 \n" ); document.write( "259.21-123.21=136 \n" ); document.write( "136=136 \n" ); document.write( "X+Y=16.1+11.1=27.2 ANSWER. \n" ); document.write( " |