SOLUTION: I do not understand this equqtion. I need to solve for x. Could you please explain this step by step so I have a better understanding. Thanks x^4+13x^2+36=0

SOLUTION: I do not understand this equqtion. I need to solve for x. Could you please explain this step by step so I have a better understanding. Thanks x^4+13x^2+36=0

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Question 379278: I do not understand this equqtion. I need to solve for x. Could you please explain this step by step so I have a better understanding. Thanks
x^4+13x^2+36=0
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Think of it as a quadratic equation in , so that the equation becomes
. Then use the zero-product property to find the roots. (They will be complex roots!)
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