Finding span of a set of vectors

[redcaps24]

I tried something but idk if its true or not
Original set and my solution:

 

[HallsofIvy]

The span of a set of vectors is the set of all linear combinations of the vectors, Here that is all vectors of the form a(2, -1, 0)+ b(4, -2, 0)+ c(6, -3, 1)= (2a+ 4b+ 6c, -a-2b- 3c).