(m^2-6m)^2+18(m^2-6m)+81因式分解

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(m^2-6m)^2+18(m^2-6m)+81因式分解(m^2-6m)^2+18(m^2-6m)+81因式分解(m^2-6m)^2+18(m^2-6m)+81因式分解(m^2-6m)^2+18(m^

(m^2-6m)^2+18(m^2-6m)+81因式分解
(m^2-6m)^2+18(m^2-6m)+81因式分解

(m^2-6m)^2+18(m^2-6m)+81因式分解
(m^2-6m)^2+18(m^2-6m)+81=(m^2-6m+9)^2=(m-3)^4

原式=(m^2-6m+9)^2
=(m-3)^4