SOLUTION: solve (include all real and imaginary solutions) t^4+t^2=20

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Question 451818: solve (include all real and imaginary solutions)
t^4+t^2=20
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve (include all real and imaginary solutions)
t^4+t^2=20
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t^4+t^2-20 = 0
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(t^2+5)(t^2-4) = 0
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t = +/-sqrt(5) or t = +/-2
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Cheers,
Stan H.