document.write( "Question 436578: a4-b4 a to the power of 4 minus b to the power of 4
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #302051 by nerdybill(7384) $\"\"$ $\"About$

You can put this solution on YOUR website!
Think: \"difference of squares\"
\n" ); document.write( ".
\n" ); document.write( " $\"a%5E4-b%5E4\"$
\n" ); document.write( "can be rewritten as:
\n" ); document.write( " $\"%28a%5E2%29%5E2-%28b%5E2%29%5E2\"$
\n" ); document.write( "which factors out as:
\n" ); document.write( " $\"%28a%5E2-b%5E2%29%28a%5E2%2Bb%5E2%29\"$
\n" ); document.write( "but, you're still not done. The term on the left is another \"difference of squares\":
\n" ); document.write( " $\"%28a-b%29%28a%2Bb%29%28a%5E2%2Bb%5E2%29\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );