SOLUTION: Find all real or imaginary solutions to the following equation, b^4+13b^2+36=0

SOLUTION: Find all real or imaginary solutions to the following equation, b^4+13b^2+36=0

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Question 163991: Find all real or imaginary solutions to the following equation, b^4+13b^2+36=0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
b^4+13b^2+36=0
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Factor to get:
(b^2+4)(b^2+9) = 0
b^2=-4 or b^2=-9
b = 2i or b = -2i
b = 3i or b = -3i
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Cheers,
Stan H.
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