Question

How do you solve `x^4+x^2-6=0`?

Answer 1

`x =+-sqrt(2)`

Explanation:

`(x^2 + 3)(x^2 - 2) = 0`

`x^2 = -3 and x^2 = 2`

`x = +-sqrt(-3) and x = +-sqrt(2)`

`x = +-sqrt(2)`

Hopefully this helps!