SOLUTION: I have never tried one like this can someone help me. the equation is 15x^4-13x^2+2=0

Question 192032: I have never tried one like this can someone help me. the equation is 15x^4-13x^2+2=0
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve for x:
Temporarily, let so that . Make these substitutions.
Factor.
Apply the zero product rule.
or
Add 2 to both sides.
Divide both sides by 3.
1)
Add 1 to both sides.
Divide both sides by 5.
2)
Now substitute back in both solutions.
and Take the square root in both cases.
and
The four solutions are:

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