document.write( "Question 103778This question is from textbook beginning and intermediate algebra
\n" ); document.write( ": Factor the expression, if possible.\r
\n" ); document.write( "\n" ); document.write( "x^4 - 16\r
\n" ); document.write( "\n" ); document.write( "Please enter \"prime \", if the expression cannot be factored.\r
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Algebra.Com's Answer #75433 by edjones(8007)\"\" \"About 
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x^4 - 16
\n" ); document.write( "(x^2+4)(x+2)(x-2)
\n" ); document.write( "Ed
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