Question

how do I find the x intercepts of 4x^4-4x^2-x^6

Answer 1

\[\large4x^4-4x^2-x^6=0\]\[\large x^2(4x^2-4-x^4)=0\] can you finish it by yourself?

Answer 2

I actually already tried removing a 2x from the equation. I'm
still not sure about the next step.