Answer:
x= -1+i; -1-i
Step-by-step explanation:
x = -1 + i, -1 - i,
3x^2 + 6x + 6 = 0
Divide through by 3:
3(x^2 + 2x+ 2) = 0
Using the quadratic formula
x = [-2 +/- √2^2 - 4*1*2) ] / 2
x = ( -2 +/- √-4 ) / 2
x = (-2 +/- 2i)/ 2
x = -1 + i , -1 - i,
