document.write( "Question 369350: factor completely: y^4-1 \n" ); document.write( "
Algebra.Com's Answer #263151 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
y^4-1
\n" ); document.write( "=(y^2+1)(y^2-1)
\n" ); document.write( "=(y^2+1)(y+1)(y-1)
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\n" ); document.write( "m.ananth@hotmail.ca
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