SOLUTION: m^4 - 10m^2 + 9 = 0

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Question 83863: m^4 - 10m^2 + 9 = 0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
m^4 - 10m^2 + 9 = 0
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(m^2-9)(m^2+9) = 0
(m-3)(m+3)(m+3i)(m-3i)=0
m=3 or m=-3 or m=-3i or m=3i
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Cheers,
Stan H.