The answer is: 
The explanation is shown below:
1- You have the following expression given in the exercise:

2- When you multiply signs, you obtain:

3. Now, you must add like terms, as following:

4. Therefore, you have that the expression simplified is:

Answer:
a. −1973700x
b. 0.12
c. 1344
d. −
36.2
Step-by-step explanation:
Answer:
i want to say C, im sorry if its wrong but im pretty sure its the right one
Step-by-step explanation: