Simplify. 100x ((6-0.75)+3.5]-(4.4-4.075)) the answer is

The answer on simplifying the expression is:

                               842.5

We are asked to simplify the expression which is given by:

Now, while solving this term we  need to solve for the parentheses term:

and

Hence, we get this expression as:

Also,

and now we are left with: