Answer:

Explanation:
Given

x is a factor
Required
Solve for k
x is a factor means that the polynomial can be divided successfully by x.
In other words, x is a zero of the polynomial.
i.e.
and 
Substitute 0 for x in P(x)





Substitute 0 for P(x)

Collect Like Terms

Divide both sides by 5

Structured decision involving operational control
It is important to calculate discounts independently to ensure that each discount is applied to the price of each product. ... It is also important to calculate them to know the real total price of the purchase you are going to make.