因式分解:2mn(2b-a²)+3m²n(a²-2b)的因式分解,要过程

问题描述:

因式分解:2mn(2b-a²)+3m²n(a²-2b)的因式分解,要过程

2mn(2b-a²)+3m²n(a²-2b)
=2mn(2b-a²)-3m²n(2b-a²)
=mn(a²-2b)(3m-2)

2mn(2b-a²)+3m²n(a²-2b)
=mn(2b-a²)(2-3m)