document.write( "Question 446368: factor the expression completely:
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\n" ); document.write( "please help me as as u cannnnnnnnnnnnnnnnn\r
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Algebra.Com's Answer #853319 by ikleyn(53419)\"\" \"About 
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\n" ); document.write( "x^4-9x^2
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\n" ); document.write( "\n" ); document.write( "x^4 - 9x^2 = x^2*(x^2-9) = x^2*(x-3)*(x+3).\r
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\n" ); document.write( "\n" ); document.write( "Factored completely.\r
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