2a(a-3)^2-6a^2(3-a)+8a(a-3)=
问题描述：
2a(a-3)^2-6a^2(3-a)+8a(a-3)=
答
(a-3){2a(a-3)+6a^2+8a}=(a-3)(8a^2+2a)=2a(a-3)(4a+1)
2a(a-3)^2-6a^2(3-a)+8a(a-3)=
(a-3){2a(a-3)+6a^2+8a}=(a-3)(8a^2+2a)=2a(a-3)(4a+1)