Δ = 1 + 4*20 = 81
x' = (-1 + 9)/2 = 4
x'' = (-1 - 9)/2 = -5
4² + 4 - 20 = 0
(-5)² - 5 - 20 = 0
Ok !
Answer:
2 hours
Step-by-step explanation:
308-100=208
208÷52=2
Answer:
I do not understand.
Step-by-step explanation:
Please add a picture of explain what it is you want help with.
At this moment I do not understand the question, I am sorry.
X is 5. Hope this helps:)
