Question

What is -3 +or- sqrt of -39 / -2

Answer 1

if 2 is all over then
answer is
`-3+- √(39) i`/2

if ur question is

(13+x)^1/2=x+5

take sqrt both side
13+x=(x+5)^2
u will get
x^2+9x+12=0

solve it for x