document.write( "Question 883823: What is the factor of x^2-81=0? \n" ); document.write( "
Algebra.Com's Answer #533796 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
That's an equation, you don't factor equations, you solve them.
\n" ); document.write( "And, it's not \"the factor of,\" it's factors.
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\n" ); document.write( "You can factor the left side of it x^2 - 81
\n" ); document.write( "It's a difference of 2 squares.
\n" ); document.write( "\"a%5E2+-+b%5E2+=+%28a-b%29%2A%28a%2Bb%29\"
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\n" ); document.write( "Knowing what you want to do and being able to say it is an important part of the process.
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