SOLUTION: Divide. 7x to the 5th power y to the 5th power - 21x to the 4th power y to the 4th power + 14x to the 3rd power y to the 3rd power OVER 7x to the 3rd power y to the 3rd power

Question 113147: Divide.
7x to the 5th power y to the 5th power - 21x to the 4th power y to the 4th power + 14x to the 3rd power y to the 3rd power OVER 7x to the 3rd power y to the 3rd power
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
7x to the 5th power y to the 5th power - 21x to the 4th power y to the 4th power + 14x to the 3rd power y to the 3rd power OVER 7x to the 3rd power y to the 3rd power
:
We can write it:

:
Note that in the numerator we can factor out :

:
Note that the 's conveniently cancel and we have
:

:
But that is an expression that will factor also:
(xy - 2)(xy - 1)

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