Mean the the total of all values, divided by the number of values
Answer:
25
Step-by-step explanation:
The number that needs to be added is the square of half the x-coefficient:
(-10/2)^2 = 25
_____
Adding that gives ...
(x -5)^2 = 32
x = 5 ± 4√2
Answer: 6 or -6
hello,
Step-by-step explanation:
Let say n the number

Your answer should be the 3rd choice. There is no solution.