Would like some help on the question about address an explanation would be nice

PART B (20 MARKS) QUESTION 1 Question 1 is based on Figure 2 and Table 2. X = A2-B/A+B* C-A Figure 2: Equation x Write the appropriate program using correct assembly language notation to compute equation represented in Figure 2 using zero-address, one-address and three-address instructions. The instruction available for use are provided in Table 2. Note that register A, B, and C cannot be modified and register x, y and z can be used as temporary register. Final answer must be stored in register x