化简:(-2x)^2+(6x^2-12x^2)/(3x^2)

问题描述:

化简:(-2x)^2+(6x^2-12x^2)/(3x^2)

[(-2x)^2+(6x^2-12x^2)]/(3x^2)
=[4x^2-6x^2]/(3x^2)
=-2x^2/(3x^2)
=-2/3这是因式分解?有除法的,是要求因式分解吗,我是化简