SOLUTION: Solve: m cubed plus 3m squared minus 54x =0

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Question 810530: Solve:
m cubed plus 3m squared minus 54x =0
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
m^3+3m^2-54m=0
Are you sure it isn't -54m?
m (m^2+3 m-54) = 0
(m-6) m (m+9) = 0
m=6 and m=-9 and m=0