SOLUTION: 5x cubed equals 80x factor and list all the roots, state multiplicity when needed.

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Question 930334: 5x cubed equals 80x factor and list all the roots, state multiplicity when needed.
Found 2 solutions by ewatrrr, Fombitz:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
5x^3 = 80x
5x^2 = 80
x^2 = 80/5
x = ± sqrt%2880%2F5%29+=+sqrt%2816%29 = ± 4
x = -4,4

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
5x%5E3=80x
x%5E3-16x=0
x%28x%5E2-16%29=0
x%28x-4%29%28x%2B4%29=0
Three solutions:
x=0
.
.
.
x-4=0
x=4
.
.
.
x%2B4=0
x=-4