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Mathematics 9 Online
OpenStudy (anonymous):

Solve x2 + 2x + 9 = 0

OpenStudy (anonymous):

is it -2 plus or minus 2i sqrt(2)?

OpenStudy (anonymous):

or -2 plus or minus 4isqrt(2)?

OpenStudy (anonymous):

\[\huge X=\frac{-b \pm \sqrt{b^2-4ac}}{2a}\] Here is it ...

OpenStudy (anonymous):

cAN YOU SOLVE IT FOR ME BC I KEEP GETTING IT WWRONG

OpenStudy (anonymous):

i know its -1 plus or minus something

OpenStudy (anonymous):

|dw:1341256071416:dw|

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