The answer is x=20. Hope this helps.
Your identity says ...
... sum of cubes = (sum)³ -3(product)(sum)
... = 4³ -3·1·4
... = 64 -12 = 52
_____
The two numbers are 2±√3, and the sum of their cubes is indeed 52.
Answer:
good question
Step-by-step explanation:
go to google i guess
Answer:
10
Step-by-step explanation:
When you sub in the numbers you get 20 divided by 2