SOLUTION: solve: x^4+5x^2+9

SOLUTION: solve: x^4+5x^2+9

Algebra.Com

Question 177076: solve: x^4+5x^2+9
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
You can't solve , because you haven't set your expression equal to anything. Now if what you meant was , THEN you have something that you can solve.

Let , then is equivalent to , which is a quadratic that needs to be solved with the quadratic formula:

but so:

or

or

or

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