Question

Solve:
b^2+2b+4=0
Please show work! Thank you! (:

Answer 1

Solve it using quadratic equations :)

Answer 2

or even complete the square

Answer 3

you will get complex zeros, is that ok? i mean they will not be real

Answer 4

It would be a complex Nos..!!

Answer 5

\[b^2+2b+4=0\]
\[b^2+2b=-4\]
\[(b+1)^2=-4+1=-3\]
\[b+1=\pm\sqrt{-3}=\pm\sqrt{3}i\]
\[b=-1\pm\sqrt{3}i\]

Answer 6

\[(-2\pm \sqrt{-12})/2\]

Answer 7

Thank you both! :D