We need a bit more context lol
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

Answer:
The cost of production and using more efficient resources
Answer:
That makes 21
Whats your question?
What do you need help on?
I took algebra a while ago so I may be able to help you.
Explanation:
Hello there.
<span>Lightning is an electric discharge between a positively charged area and
</span><span>negatively charged area.</span>