document.write( "Question 99657: Fully factorise the following expression. (9m^2 - a^2)\r
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Algebra.Com's Answer #72524 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
Factor(ise) the following:
\n" ); document.write( "\"%289m%5E2-a%5E2%29\" Here, you have the difference of two squares \"%283m%29%5E2-%28a%29%5E2\" which can be factored thus:
\n" ); document.write( "\"%283m%29%5E2-%28a%29%5E2+=+%283m%2Ba%29%283m-a%29\"
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