document.write( "Question 969612: Find all real and complex roots. \r
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document.write( "x^4-9x^2+20=0\r
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document.write( "-The solution set is { }.
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document.write( "(Use a comma to separate answers as needed. Type an exact answer, using radicals as needed. Type complex answers in the form a + bi.) \n" );
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Algebra.Com's Answer #592449 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find all real and complex roots. \r \n" ); document.write( "\n" ); document.write( "x^4-9x^2+20=0 \n" ); document.write( "========================= \n" ); document.write( " \n" ); document.write( "Can you do the rest? \n" ); document.write( " |