document.write( "Question 266186: Solve the equation x^4+16x^2+63=0 \n" ); document.write( "
Algebra.Com's Answer #195606 by checkley77(12844)\"\" \"About 
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x^4+16x^2+63=0
\n" ); document.write( "(x^2+9)(x^2+7)=0 ans.
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