SOLUTION: how do I solve 365=5X cubed

Algebra ->  Functions -> SOLUTION: how do I solve 365=5X cubed      Log On


   



Question 774702: how do I solve 365=5X cubed
Found 2 solutions by solver91311, tommyt3rd:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Depends. Do you mean or ?

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism


Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
365=5x^3
5x%5E3-365=0
5%28x%5E3-73%29=0
5%28x-root%283%2C73%29%29%28x%5E2%2Broot%283%2C73%29%2Broot%283%2C73%29%5E2%29=0
which has only 1 real solution:

x=root%283%2C73%29
If you are interested in the imaginary solution we'd need to use the other factor - somewhat more work