Question

Find all solutions of the equation in the complex number system:
x^2+4x+4=-9

Answer 1

\[x ^{2}+4x +13=0\]

Answer 2

x_1,_2= (-4+/- sqrt(16-52))/2 =(-4+/- sqrt(-36))/2 =
=(-4+/-6i)/2=-2+/-3i

Answer 3

thanks

Answer 4

my pleasure