document.write( "Question 107413: Factor each expression\r
\n" ); document.write( "\n" ); document.write( "a2(b - c) - 16b2(b - c) \n" ); document.write( "

Algebra.Com's Answer #78195 by Annabelle1(69) $\"\"$ $\"About$

You can put this solution on YOUR website!
(b-c) is the common factor. Pull in out to the front\r
\n" ); document.write( "\n" ); document.write( " $\"%28b-c%29%2A%28a%5E2-16b%5E2%29\"$
\n" ); document.write( " $\"%28a%5E2-16b%5E2%29\"$ is a difference of two squares so it factorises to
\n" ); document.write( " $\"%28a%2B4b%29%28a-4b%29\"$
\n" ); document.write( "we now have
\n" ); document.write( " $\"%28b-c%29%28a%2B4b%29%28a-4b%29\"$ \n" ); document.write( "

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