document.write( "Question 479310: given that \"x%5E4%2B4y%5E4=%28x%5E4%2B4x%5E2y%5E2%2B4y%5E4%29-4x%5E2y%5E2\", I need to complete the factorization of \"x%5E4%2B4y%5E4\" by using the difference of squares
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Algebra.Com's Answer #328410 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
complete the factorization of x^4+4y^4 by using the difference of squares
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\n" ); document.write( "x^4+4y^4 = x^4-(-4y^4)
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\n" ); document.write( "= (x^2-2iy^2)(x^2+2iy^2)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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