document.write( "Question 765069: x-y=6 & xy=1 then x^3-y^3=? \n" ); document.write( "

Algebra.Com's Answer #465963 by ramkikk66(644) $\"\"$ $\"About$

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document.write( "Use the identity: \r\n" );
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document.write( "Since we know x - y = 6 and xy = 1, substitute in the equation.\r\n" );
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