(2m+3n)(2m-n)-4n(2m-n)因式分解

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(2m+3n)(2m-n)-4n(2m-n)因式分解(2m+3n)(2m-n)-4n(2m-n)因式分解(2m+3n)(2m-n)-4n(2m-n)因式分解(2m+3n)(2m-n)-4n(2m-n)

(2m+3n)(2m-n)-4n(2m-n)因式分解
(2m+3n)(2m-n)-4n(2m-n)因式分解

(2m+3n)(2m-n)-4n(2m-n)因式分解
(2m+3n)(2m-n)-4n(2m-n)
=(2m-n)(2m+3n-4n)
=2(2m-n)(m-2n)