Question

9(9-10r)+(-8-2r)


I don't know how much to do this I need help

Answer 1

Answer: 21

Explanation:

To simplify this, we would use Order of Operations (BEDMAS)

1. Brackets ()
2. Exponents
   `x^(2)`
3. Division
4. Multiplication
5. Addition
6. Subtraction

So, to simplify 3 + (3-8)^2 -7 we will follow the order of Operations

`3 + (3-8)^(2) - 7\\3 + (-5)^(2) - 7\\3 + 25 - 7 \\28 - 7\\21`

So the answer is 21