Tính: ( –12x^m+2 ) : ( 4xⁿ⁺²) = (.... : ....) . (.... : xⁿ⁺²) = .....x^........ (m, n ∈ ℕ; m ≥ n)

Tính:

( –12x^m+2 ) : ( 4xⁿ⁺²) = (.... : ....) . (.... : xⁿ⁺²) = .....x^........ (m, n ∈ ℕ; m ≥ n)

Tính: ( –12xm+2 ) : ( 4xn+2) = (.... : ....) . (.... : xn+2) = .....x........ (m, n ∈ ℕ; m ≥ n)