document.write( "Question 85991: How do you factor 16x to the 4th power minus 1. \n" ); document.write( "

Algebra.Com's Answer #62113 by 303795(602) $\"\"$ $\"About$

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$\"16x%5E4+-+1\"$
\n" ); document.write( "This is a difference of squares
\n" ); document.write( "eg $\"%284x%5E2%29%5E2+-+1%5E2\"$
\n" ); document.write( "So factorise it
\n" ); document.write( " $\"%284x%5E2-1%29%284x%5E2%2B1%29\"$
\n" ); document.write( "The first term is still a difference of squares
\n" ); document.write( "eg $\"%28%282x%29%5E2-1%5E2%29%284x%5E2%2B1%29\"$
\n" ); document.write( "so factorise it
\n" ); document.write( " $\"%282x-1%29%282x%2B1%29%284x%5E2%2B1%29\"$
\n" ); document.write( " \n" ); document.write( "

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