You did a simple mistake by forgetting to add 4 to itself in the square root. (-4^2=16)
x=(4 +/- sqrt(16-8))/4
x=(4 +/- sqrt(8))/4
Is this enough to get you started again?
They are different because they use different numbers!
Answer:
Step-by-step explanation:
1 False
2 True
3 False
4 false
lol that was ezy