Question

Question #0d7b5

Answer 1

`x=i`

Explanation:

First you want to factor. You can factor out the 3.

`(3)(x^2+1)=0`

Divide both sides by three

`((3)(x^2+1))/3=0/3`

`x^2+1=0`

Solve for x

`x^2=-1`

`sqrt(x^2)=sqrt(-1)`

`x=sqrt(-1)`

`x=i`