document.write( "Question 368736: I cannot figure this out, although I have help with this type of question before. Can you show me how to do it again. Here it is:
\n" ); document.write( "15(2x+1)^3+6(2x+1)^2-21(2x+1)
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Algebra.Com's Answer #262824 by robertb(5830) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"15%282x%2B1%29%5E3%2B6%282x%2B1%29%5E2-21%282x%2B1%29\"$
\n" ); document.write( "= $\"3%282x%2B1%29%2A%285%282x%2B1%29%5E2%2B2%282x%2B1%29-7%29\"$
\n" ); document.write( "= $\"3%282x%2B1%29%285%282x%2B1%29%2B7%29%28%282x%2B1%29-1%29\"$
\n" ); document.write( "= $\"3%282x%2B1%29%2810x%2B5%2B7%29%282x%2B1-1%29\"$
\n" ); document.write( "= $\"3%282x%2B1%29%2810x%2B12%29%282x%29\"$
\n" ); document.write( "= $\"6x%282x%2B1%292%285x%2B6%29\"$
\n" ); document.write( "= $\"12x%282x%2B1%29%285x%2B6%29\"$ .
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