SOLUTION: Could someone work this out step by step for me. I do not understand. I am lost. b^4+13b^2+36=0 Thank you so much.

SOLUTION: Could someone work this out step by step for me. I do not understand. I am lost. b^4+13b^2+36=0 Thank you so much.

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Question 387384: Could someone work this out step by step for me. I do not understand. I am lost.
b^4+13b^2+36=0
Thank you so much.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I can say
The equation becomes

Using the quadratic formula:

where

and

And, since

and

The roots are imaginary
If I put back into the equation:

should check also
(note that)
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