document.write( "Question 200071: factor this expression:
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Algebra.Com's Answer #150419 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E4+%2B+4y%5E4\"
\n" ); document.write( "= \"%28x%5E2-2y%5E2%29%28x%5E2%2B2y%5E2%29\"
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