Step-by-step explanation:
(n + 7)² – n²
n² + 14n + 49 – n²
14n + 49
7 (2n + 7)
7 is a factor, so for any natural n, (n + 7)² – n² is a multiple of 7.
Answer:
8
If you count up, 3 is 1 million and 8 is 10 million.
150 is the answer I don’t think it is right
it is solved directly by using the formula
See picture for solution to your problem.
