Please add details and how you got it!!!! I honestly don't understand a thing.
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7k^4/ 5k^3 -2k²
(7/5)(k^4/k^3) -2k²
(7/5)( k*k*k*k/ k*k*k ) -2k²
(7/5)( k) - 2k²
you can leave it like that or factor one k out
k( 7-2k)/5
(7/5)(k^4/k^3) -2k²
(7/5)( k*k*k*k/ k*k*k ) -2k²
(7/5)( k) - 2k²
you can leave it like that or factor one k out
k( 7-2k)/5