SOLUTION: I need to find all the imaginary solutions of the equation by factoring. x^4+14x^2-32=0 I can not get this problem, please help

SOLUTION: I need to find all the imaginary solutions of the equation by factoring. x^4+14x^2-32=0 I can not get this problem, please help

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Question 396457: I need to find all the imaginary solutions of the equation by factoring.
x^4+14x^2-32=0
I can not get this problem, please help
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Letting ,

u = -16 or u = 2

Taking positive and negative square roots of both values for u, we get

x = , , , .

The imaginary roots are 4i and -4i.
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