10k^4+10k^3+8k^2+8k+10/k+1 not sure if this is what you are looking for or not hope it helps
Answer:
B.
Step-by-step explanation:
Because if you look closely you will be able to tell which answer it is by looking at the way the shape formed andjust breakaprt the shape .
x^2 - 49 = 0
Add 49 to both sides:
x^2 = 49
Take the square root of both sides:
X = 7
It would be 13 because you are adding 5 and 8
