document.write( "Question 631887: 5x^4-20x^2=0
\n" ); document.write( "solve the polynomial equation by factoring and then using the zero product principle.
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Algebra.Com's Answer #397878 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Factor out leaving which is the easily factorable difference of two squares.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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