The discriminant is

which is 0.
Since the discriminant is 0, there is only one real solution.
3/7 because that is the number being added to the zero in the equation
Answer:
Missing number is 288, and the rule is +96
Step-by-step explanation:
First subtract 96 from 192, which is 96
then add that to 192 and the missing value is 288
you should also add 96 to 288 just to make sure it gets you to the last number which is 384.