(6a²b-2b-8ab³)÷(2b)

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(6a²b-2b-8ab³)÷(2b)

(6a²b-2b-8ab³)÷(2b)
(6a²b-2b-8ab³)÷(2b)

(6a²b-2b-8ab³)÷(2b)
(6a²b-2b-8ab³)÷(2b)=3a^2-1-4ab^2

=(6a²b)÷(2b)-(2b)÷(2b)-(8ab³)÷(2b)
=3a²-1-4ab²

(6a²b-2b-8ab³)÷(2b)
=2b(3a²-1-4ab²)÷(2b)
=3a²-4ab²-1