F(x)=x(squared)+4x+8

fxxsquared4x8

#1

f(x)=x(squared)+4x+8

Answer:

X1 = ( - 4 + √(4^2 - 418) ) / 2
= ( - 4 + 4i ) / 2
= -2 + 2i
= 2( i - 1)

X2 = ( - 4 - √(4^2 - 418) ) / 2
= ( - 4 - 4i ) / 2
= - 2 - 2i
= -2 ( 1 + i )