document.write( "Question 645579: how to Factor a Polynomial Completely
\n" ); document.write( "b^4-9b^2
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Algebra.Com's Answer #405534 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "Factor Polynomial Completely
\n" ); document.write( "\"b%5E4-9b%5E2+=+b%5E2%28b%5E2-9%29+=+b%5E2%28b%2B3%29%28b-3%29+\"
\n" ); document.write( "checking (b+3)(b-3) using FOIL
\n" ); document.write( "F First terms b^2
\n" ); document.write( "O Outside terms -3b
\n" ); document.write( "I Inside terms 3b
\n" ); document.write( "L Last terms -9\r
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