document.write( "Question 1144450: The sum of 2 numbers is 15 and their difference is 6.
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Algebra.Com's Answer #765573 by Alan3354(69443)\"\" \"About 
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The sum of 2 numbers is 15 and their difference is 6.
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\n" ); document.write( "a^2 - b^2 = (a-b)*(a+b) = 90
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