document.write( "Question 935134: How do I factor this?
\n" ); document.write( "(x^2+y^2)^2-4x^2y^2
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Algebra.Com's Answer #568289 by MathTherapy(10552)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "How do I factor this?
\n" ); document.write( "(x^2+y^2)^2-4x^2y^2
\n" ); document.write( "Thank You.
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\n" ); document.write( "\"%28%28x%5E2+%2B+y%5E2%29+-+2xy%29%28%28x%5E2+%2B+y%5E2%29+%2B+2xy%29\" ----- Factoring as difference of two squares
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