Answer:
(a+b)2 = a² + b² + 2×a×b
Step-by-step explanation:
The first would be 80 and the second is 8
Answer: b.
Step-by-step explanation: I have the answer sheet
Step-by-step explanation:
x2 + 2xn + n2
x2 + xn + xn + n2
x(x + n) + n (x + n)
So (x + n)^2 is the factor