Question

Anybody know the answer

Answer 1

5(9 - x)

Explanation:

The product of 2 numbers, is just multiplication

But in this expression, we are multiplying a number by the difference of two other numbers, hence why we should group 9 - x in parentheses.

Answer 2

5 (-9x)

Explanation:

Product of 5

5 * ()

difference of 9

5 * (-9)

and a number

5 * (-9x)