document.write( "Question 84423This question is from textbook Algebra 2
\n" ); document.write( ": factor completely 3x^3-81 \n" ); document.write( "
Algebra.Com's Answer #60825 by tutorcecilia(2152)\"\" \"About 
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\n" ); document.write( "\"%28%283%29%28x%5E3-27%29%29\" [factor out the (3)]
\n" ); document.write( "\"%28%283%29%28x-3%29%28x%5E2%2B3x%2B3%5E2%29%29\" [factor the perfect cube]
\n" ); document.write( "\"%28%283%29%28x-3%29%28x%5E2%2B3x%2B9%29%29\" [check by multiplying the factors]
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