Answer:
44 +14i
Step-by-step explanation:
(5 + i)(9 + i)
FOIL
first 5*9 = 45
inner: 9i
outer :5i
last: i*i = i^2 = -1
Add togheter
45 + 9i+5i -1
Combine like terms
44 +14i
Answer:
Thxs
Step-by-step explanation:
Answer:
all equation has a solution
Answer:
u need 78 feet of the three foot wide fencing
I'm guessing you mean:

If not, correct me.
So, then the perimeter of a square is just 4*A, which in this case would be:

And that would be your answer:

units²