document.write( "Question 276444: Factor by grouping x^2-y^2-ax-ay \n" ); document.write( "

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\n" ); document.write( "Factor by grouping x^2-y^2-ax-ay
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document.write( "   x^2-y^2-ax-ay = \r\n" );
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document.write( "= (x+y)(x-y) - a(x+y)\r\n" );
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document.write( "= (x+y){ x-y -a)\r\n" );
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document.write( "This is the final ANSWER:  x^2-y^2-ax-ay = (x+y)*(x-y-a).\r\n" );
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