Vector subtraction u−v\mathbf{u} - \mathbf{v}u−v is equivalent to:
u+(−v)\mathbf{u} + (-\mathbf{v})u+(−v)
v−u\mathbf{v} - \mathbf{u}v−u
u/v\mathbf{u} / \mathbf{v}u/v
0\mathbf{0}0