document.write( "Question 57597: 9a^2- 64b^2\r
\n" ); document.write( "\n" ); document.write( "I tried to work this out but i am not sure this is correct can you let me know. thank you
\n" ); document.write( "(3a+8b)(3a-8b)
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Algebra.Com's Answer #39313 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Correct
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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