SOLUTION: 27x^4-3x^2-4=0

Algebra ->  Test -> SOLUTION: 27x^4-3x^2-4=0      Log On


   

Question 461158: 27x^4-3x^2-4=0
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The factorization of 27x%5E4-3x%5E2-4 is %289x%5E2+-+4%29%283x%5E2+%2B+1%29. Hence the equation becomes %289x%5E2+-+4%29%283x%5E2+%2B+1%29+=+0, or %283x+-+2%29%283x+%2B+2%29%283x%5E2+%2B+1%29+=+0. You should know what to do next...