9x-56*5

To simplify the expression 9x - 56 * 5, we follow the order of operations, which is commonly known as PEMDAS (Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction).

First, we perform the multiplication:

56 * 5 = 280

Then, we substitute the product back into the expression:

9x - 280

And that is the simplified form of the expression 9x - 56 * 5.