Question

Solve: x^4 - 6x^2 + 5 = 0

Answer 1

fortunately this one factors as
\[(x^2-5)(x^2-1)=0\]

Answer 2

solve for \(x\) for example
\[x^2-5=0\implies x^2=5\implies x=\pm\sqrt5\]

Answer 3

So x would equal +/-1 & +/- \[\sqrt{5}\]?