document.write( "Question 328237: Factor completely:\r
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Algebra.Com's Answer #235096 by user_dude2008(1862) $\"\"$ $\"About$

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u^2(t^4-1)=u^2(t^2-1)(t^2+1)=u^2(t+1)(t-1)(t^2+1) \n" ); document.write( "

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