document.write( "Question 23828: FACTOR \r
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Algebra.Com's Answer #12798 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
21XYZ-36XY+9YZ\r
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\n" ); document.write( "\n" ); document.write( "Factor out the common factor, which is 3y:
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC
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