-8a³b²+12ab³c-6a²b;(2m-3n)²-2m+3n;因式分解
问题描述:
-8a³b²+12ab³c-6a²b;(2m-3n)²-2m+3n;因式分解
答
8a³b²+12ab³c-6a²b
=2ab(4a²b+6b²c-3a)
(2m-3n)²-2m+3n
=(2m-3n)²-(2m-3n)
=(2m-3n)(2m-3n-1)