SOLUTION: Factor completely: x^10y^3 � 4x^9y^2 � 21x^8y If you believe that a polynomial is not factorable, label it as prime. Show all stages of factoring separately (i.e., show the re

Question 106263: Factor completely:
x^10y^3 � 4x^9y^2 � 21x^8y
If you believe that a polynomial is not factorable, label it as prime. Show all stages of factoring separately (i.e., show the result of factoring out a GCF before taking the resulting polynomial and factoring it again).
I am stuck on this one. Thanks in advance!

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Factor completely:
x^10y^3 � 4x^9y^2 � 21x^8y
= x^8y[x^2y^2 - 4xy - 21]
= x^8y [xy-7][xy+3]
=======================
Cheers,
Stan H.
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