Answer:
8, 12, 16, 20
Step-by-step explanation:
8/4 = 2
12/4= 3
16/4= 4
20/4= 5
Add them all up then round the answer to yget
thats 6859, there is nothing wrong with it
This system can be a bit tricky unless you write it out:
(2n + 2)(2n - 2) ~ First you have to take one variable and multiply it to each of the other two variables, like:
2n * 2n ~ And:
2n * -2 ~ This gives you:
4n^2 - 4n
Now we do this with the other:
2 * 2n
2 * -2
4n - 4
Now we combine them both while adding like terms:
4n^2 - 4
Therefore your answer is: A. 4n^2 - 4
(This is due to how when having the positive 4n subtracted by the negative it cancels it out. Leaving us with the remaining two terms left.)
I hope this helps, have a great rest of your day! ^ ^
~Ghostgate
Keep in mind x >0 since x is a measurement of length.
