document.write( "Question 327827: Factor each polynomial completely.
\n" ); document.write( "A^4-81b^4\r
\n" ); document.write( "\n" ); document.write( "8-2x^2
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Algebra.Com's Answer #234774 by romerr1(7)\"\" \"About 
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a^4-81b^4
\n" ); document.write( "=(a^2-9b^2)(a^2+9b^2)
\n" ); document.write( "=(a-3b)(a+3b)(a^2+9b^2)\r
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\n" ); document.write( "\n" ); document.write( "8-2x^2
\n" ); document.write( "=2(4-x^2)
\n" ); document.write( "=2(2+x)(2-x)
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