document.write( "Question 192323: 16x^4 - 40x^2 + 9 Factor completely \n" ); document.write( "
Algebra.Com's Answer #144355 by checkley75(3666)\"\" \"About 
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16x^4 - 40x^2 + 9
\n" ); document.write( "(4x^2-1)(4x^2-9)
\n" ); document.write( "(2x+1)(2x-1)(2x+3)(2x-3) ans.
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