因式分解:4(m-n)^2+16(n-m); -3a^3+12a^2b-12ab^3
问题描述：
因式分解:4(m-n)^2+16(n-m); -3a^3+12a^2b-12ab^3
解方程:
9x^2=(x-2)^2
9a^2-36=0
(5k-1)^2=(2-3k)^2
答
4(m-n)^2+16(n-m)=4(m-n)^2-16(m-n)=4(m-n)(m-n-4)-3a^3+12a^2b-12ab^3=-3a(a^2-4ab+4b^2)=-3a(a-2b)^29x^2=(x-2)^2 (3x)^2-(x-2)^2=0(3x+x-2)(3x-x+2)=0(4x-2)(2x+2)=0x1=1/2,x2=-19a^2-36=0 9(a^2-4)=0a^2-4=0a^2=...