The product of the factors in the given expression comes to be
.
The given expression is:

We can rewrite the given expression as

<h3>What is the exponent addition rule? </h3>
If we have two numbers with the same base we can write the product of the numbers as a single base followed by the addition of exponents.


....from exponent addition rule
So, 
Therefore, the product of the factors in the given expression comes to be
.
To get more about exponents visit:
brainly.com/question/819893
-5-2+7-9 = -9
- and - make a plus :)
Answer:
-3x is the answer
Step-by-step explanation: