Please show all steps in completing this problem, thank you very much! Solve the system Ax=b…

Please show all steps in completing this problem, thank
you very much!

Solve the system Ax=b using the LU factorization of A and the matrix b given below. -2 0 0 1 -1 -2 7 A=LU= -2 -1 0 0 1 3 -17 2 -1 -2 0 0 1 -5 b= 12 12 -10 You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. The system has infinitely many solutions Number of Parameters: 1 [x1] [o] [o *4 0 0