document.write( "Question 319435: Solve. Identify all double roots.\r
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document.write( "x^4 - 25x^2 = 0 \n" );
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Algebra.Com's Answer #228736 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "This x^4 - 25x^2 = 0 can be rewritten as: \n" ); document.write( "x^2(x^2-25)=0 \n" ); document.write( "This can be factored as: \n" ); document.write( "x^2(x-5)(x+5)=0 \n" ); document.write( "Solve for x and we get: \n" ); document.write( "x=0 \n" ); document.write( "x=-5 \n" ); document.write( "x=5 \n" ); document.write( "Make sense? \n" ); document.write( "RJ \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |