document.write( "Question 771599: factor: 7xy^2 plus 21x^2yz^3 \n" ); document.write( "
Algebra.Com's Answer #470304 by Alan3354(69443)\"\" \"About 
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factor: \"7xy%5E2+%2B+21x%5E2yz%5E3\"
\n" ); document.write( "Use + for plus
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\n" ); document.write( "Look for common factors.
\n" ); document.write( "eg, 7, x, and any others.
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