document.write( "Question 102226: 5xsquared-x to the 4th +4=0 \n" ); document.write( "
Algebra.Com's Answer #74345 by edjones(8007)\"\" \"About 
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5x^2-x^4+4=0
\n" ); document.write( "x^4-5x^2-4=0 multiply each side times -1.
\n" ); document.write( "x= +-2.3878...
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