因式分解x立方-4x=
问题描述:
因式分解x立方-4x=
答
x立方-4x
=x(x平方-4)
=x(x+2)(x-2)
因式分解x立方-4x=
x立方-4x
=x(x平方-4)
=x(x+2)(x-2)