document.write( "Question 52893: Factor Completely:
\n" ); document.write( "y^4-16
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Algebra.Com's Answer #35273 by tutorcecilia(2152)\"\" \"About 
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y^4-16
\n" ); document.write( "(y^2-4)(y^2+4)
\n" ); document.write( "(y-2)(y+2)(y^2+4)
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