document.write( "Question 36502: Can someone please show me how to do this:
\n" ); document.write( "(s+3)(s-3)
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Algebra.Com's Answer #22438 by benni1013(206)\"\" \"About 
You can put this solution on YOUR website!
Use the foil method:
\n" ); document.write( "(s+3)(s-3)
\n" ); document.write( "First:s*s=s^2
\n" ); document.write( "Outer:3*s=3s
\n" ); document.write( "Inner:-3*s=-3s
\n" ); document.write( "Last:3*-3=-9\r
\n" ); document.write( "\n" ); document.write( "s^2+3s-3s-9==>Simplify==>s^2-9
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