How would I solve this?

4.3. Bases and Dimension: Problem 4 (1 point) Find a basis for the subspace of IR consisting of all vectors of the form 4x1 + $2 521 - 672 3x1 - 612 Answer: | To enter a basis into WeBWork, place the entries of each vector inside of brackets, and enter a list of these vectors, separated by commas. For instance, if your basis is then you would enter [1,2,3],[1,1, 1] into the answer blank