document.write( "Question 360640: Please factorise the following using the difference of two squares method.\r
\n" ); document.write( "\n" ); document.write( "(2x+y)squared -4\r
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Algebra.Com's Answer #257361 by Alan3354(69443)\"\" \"About 
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\n" ); document.write( "\"x%5E2+-+y%5E2+=+sum+%2A+difference+=+%28x%2By%29%2A%28x-y%29\"\r
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