document.write( "Question 959114: The expression x to the fourth -9 is equivalent to? \n" ); document.write( "
Algebra.Com's Answer #586199 by stanbon(75887)\"\" \"About 
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The expression x to the fourth -9 is equivalent to?
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\n" ); document.write( "x^4-9 = (x^2-3)(x^2+3) = (x-sqrt(3))(x+sqrt(3))(x^2+3)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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