document.write( "Question 1008696: One number is 3 more than another. The difference between their squares is 51. What are the numbers? \n" ); document.write( "
Algebra.Com's Answer #624275 by fractalier(6550)\"\" \"About 
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Call the numbers x and y. Thus we have
\n" ); document.write( "x = y + 3 and
\n" ); document.write( "x^2 - y^2 = 51
\n" ); document.write( "Now substitute and get
\n" ); document.write( "(y+3)^2 - y^2 = 51
\n" ); document.write( "y^2 + 6y + 9 - y^2 = 51
\n" ); document.write( "6y + 9 = 51
\n" ); document.write( "6y = 42
\n" ); document.write( "y = 7
\n" ); document.write( "x = 10
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