SOLUTION: 21x^6y^3-28x^7y^4

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Question 287666: 21x^6y^3-28x^7y^4
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
21x^6y^3-28x^7y^4
7X^6Y^3(3-4XY) ANS.