document.write( "Question 191635: please help me multiply this problem.
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\n" ); document.write( "-3xy(7x^2-8xy+9y^2)
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\n" ); document.write( "thanks
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Algebra.Com's Answer #143769 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
\"-21x%5E3y%2B24x%5E2y%5E2-27xy%5E3\" \n" ); document.write( "
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