document.write( "Question 249165: x^2-81=0 \n" ); document.write( "
Algebra.Com's Answer #181532 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
x^2-81=0
\n" ); document.write( "(x-9)(x+9) = 0
\n" ); document.write( "x = 9 or x = -9
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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