Solve the matrix equation AX=BAX = BAX=B where A=(2111)A = \begin{pmatrix} 2 & 1 \\ 1 & 1 \end{pmatrix}A=(2111) and B=(32)B = \begin{pmatrix} 3 \\ 2 \end{pmatrix}B=(32). What is XXX?
(11)\begin{pmatrix} 1 \\ 1 \end{pmatrix}(11)
(2−1)\begin{pmatrix} 2 \\ -1 \end{pmatrix}(2−1)
(30)\begin{pmatrix} 3 \\ 0 \end{pmatrix}(30)
(12)\begin{pmatrix} 1 \\ 2 \end{pmatrix}(12)