document.write( "Question 236542: w^4-18w^2-2=0
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Algebra.Com's Answer #174094 by checkley77(12844) $\"\"$ $\"About$

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w^4-18w^2-2=0
\n" ); document.write( " $\"w+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "w=(18+-sqrt[-18^2-4*1*-2])/2*1
\n" ); document.write( "w=(18+-sqrt[324+8])/2
\n" ); document.write( "w=(18+-sqrt332)/2
\n" ); document.write( "w=(18+-18.22)/2
\n" ); document.write( "w=36.22)/2
\n" ); document.write( "w=18.11 ans.
\n" ); document.write( "w=(18-18.22)/2
\n" ); document.write( "w=-.22/2
\n" ); document.write( "w=-.11 ans.
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