math correction

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Directions: Perform the indicated divisions.
The problem:

This is what i did and what i got:

(4x^5)/(5x) =
The answer that i got was:

It is so wrong it hurts. How in the world did you get
(8x^3-6x^2+2x) is equal to 4x^5 ?
There are no x^5 in the sentence.
Instead of that, factor 2x out of it.
2x(4x^2 -3x -1)=2x(4x+1)(x-1)
Put that over the denominator and it amazingly comes to a solution rapidly.

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