SOLUTION: Hello. Can you please help me? I need to solve this equation... 20x^4-53x^2+18=0 Thank you so much!

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Hello. Can you please help me? I need to solve this equation... 20x^4-53x^2+18=0 Thank you so much!      Log On


   

Question 398114: Hello. Can you please help me?
I need to solve this equation...
20x^4-53x^2+18=0
Thank you so much!
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
20x%5E4-53x%5E2%2B18=+%284x%5E2+-+9%29%285x%5E2+-+2%29+=+0+
==> x%5E2+= 9/4, 2/5
==> x = -3/2, 3/2, -sqrt%282%2F5%29,+sqrt%282%2F5%29