document.write( "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
\n" ); document.write( "x^4+13x^2+36=0
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Algebra.Com's Answer #269317 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
Think of it as a quadratic equation in \"x%5E2\", so that the equation becomes\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2%2B4%29%28x%5E2+%2B+9%29+=+0\". Then use the zero-product property to find the roots. (They will be complex roots!)
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