Answer:
I guess answer is 3 as n value is 1 so we can substitute 1 in n value so that we can get answer as 3
The thousand place in 25,386 is the number 5.
Since the number following 5 is 3 you round down and get an answer of 25,000
<span>x^2 + 22x + 121 = 9 + 121 ..............a^2 + 2ab + b^2 = (a+b)^2
(x + 11)^2 = 130
answer
</span><span>you must add 121 to complete the square</span>