Answer:

Explanation:
So the "product of" means the answer to a multiplication problem. That means -3 is being multiplied by a number which is squared. I used the variable "n" for number but you could use any letter you want.
This is what we have so far,
x -3 or
(-3)
The term decreased means to reduce or subtract. Which means we are left with....

Hope that helps and have a great day!