Can someone explain how to do quadratic equations with complex numbers?

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Can someone explain how to do quadratic equations with complex numbers?

Mathematics
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yes, that means when you graph your quadratic function, it does not cross the x axis at all
|dw:1358903985103:dw|here is an example of a quadratic with complex solutions
Okay, but I still need help with solving them.

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well then post one so we can work it together
Okay. Just a second.
√(-36) - √(-40) It's one of the example problems that I can't get right.
|dw:1358904893711:dw|
That makes sense I guess :P
this is just complex numbers. Complex numbers can be added, subtracted, multiplied and divided......not a big deal.....electrical engineers use them....
How about an actual quadratic equation now? :3
post it, makes no difference to me.......
\[\Huge x^{2}+6x+11 = 0\]
|dw:1358905661660:dw|do you see the negative number under the radical
that tells you that your solution is complex
|dw:1358905735721:dw|
OH. Okay. I get it now. Thanks! :D
another way to do it is by completing the square but the quadratic formula is easier to do it by.
yw
Actually, I don't :<
close this problem and post a new one. You can send me a notification and we can work on another one together

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