SOLUTION: Solve 15x^4-28x^2+5=0

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve 15x^4-28x^2+5=0      Log On


   

Question 311497: Solve
15x^4-28x^2+5=0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve
15x^4-28x^2+5=0
-------------------
%283x%5E2+-+5+%29%2A%285x%5E2+-+1%29+=+0
3x%5E2+=+5
5x%5E2+=+1
-----------------
Can you do the rest?