Question

Please help with solving this quadratic equation with substitution.

4x^4=41x^2-100

Answer 1

Maybe you should try the substitution \(x^2 = u\)

Answer 2

I worked it out a bit and did a substitution of t=x^1/2 and got to solved!

Answer 3

Sure that's not the other way around? As in \(t^{0.5}=x\)?

Answer 4

I'd go for himanshutyagis answer.