document.write( "Question 287666: 21x^6y^3-28x^7y^4 \n" ); document.write( "
Algebra.Com's Answer #208458 by checkley77(12844)\"\" \"About 
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21x^6y^3-28x^7y^4
\n" ); document.write( "7X^6Y^3(3-4XY) ANS.
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