document.write( "Question 853050: f(x)=81-x^2 \n" ); document.write( "
Algebra.Com's Answer #513854 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "f(x)=81-x^2
\n" ); document.write( "f(x)=(9 - x)(9 + x)
\n" ); document.write( "Use FOIL to check factoring
\n" ); document.write( "F First terms
\n" ); document.write( "O Outside terms
\n" ); document.write( "I Inside terms
\n" ); document.write( "L Last terms
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