document.write( "Question 91621This question is from textbook Beginning Algebra
\n" ); document.write( ": Is the following binomial a difference of squares 9a^2 - 8b^2? I have no idea how to even begin to approach this question. Obviously the answer yes or no would be appreicated, but more importantly why it is such. Thank you in advance. \n" ); document.write( "
Algebra.Com's Answer #66545 by Earlsdon(6294)\"\" \"About 
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Is:
\n" ); document.write( "\"9a%5E2-8b%5E2\" a difference of squares?
\n" ); document.write( "Take a look at each of the two terms:
\n" ); document.write( "\"9a%5E2+=+%283a%29%5E2\" This term is a perfect square.
\n" ); document.write( "\"8b%5E2+=+%282b%29%284b%29\" This is not a perfect square:
\n" ); document.write( "So the answer is no!
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