Question

Which of the following is a solution of x2 + 4x = −8?

a) x = -2 -2i
b) x = 2 + 2i
c) x = -4 +4i
d) x = 4 - 4i

Answer 1

A

Answer 2

"complete the square"
or
write it in standard form
\[ x^2 + 4x +8=0\]
and now use the quadratic formula