Question #0d7b5

1 Answer
Dec 12, 2015

x=ix=i

Explanation:

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

(3)(x^2+1)=0(3)(x2+1)=0

Divide both sides by three

((3)(x^2+1))/3=0/3(3)(x2+1)3=03

x^2+1=0x2+1=0

Solve for x

x^2=-1x2=1

sqrt(x^2)=sqrt(-1)x2=1

x=sqrt(-1)x=1

x=ix=i