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Mathematics 17 Online
OpenStudy (anonymous):

t^2 + 10t + 26 =0

OpenStudy (anonymous):

Use quadratic formula. \[-b+-\sqrt { b^2-4ac \over 2a}\]

OpenStudy (anonymous):

a= 1 b=10 c=26

OpenStudy (anonymous):

Good job @order

OpenStudy (anonymous):

t= \[-10 \pm \sqrt{-2}\] t = \[-10 + i \sqrt{2}\] Or t = \[-10 - i \sqrt{2}\]

OpenStudy (anonymous):

What is this formula for @order ?

OpenStudy (anonymous):

It's the same, but I forgot everyything has to go over 2a,

OpenStudy (anonymous):

including the -b

OpenStudy (anonymous):

no it's not the same b is seperate and has minus sign not over 2a

OpenStudy (anonymous):

Ok, but the -b has to go over 2a, and I can't seem to write that in this equation stuffs... :(

OpenStudy (anonymous):

No it doesn't have to go over 2a the first formula you wrote before was perfect and right

OpenStudy (anonymous):

I know what you mean

OpenStudy (anonymous):

\[ x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}, \]

OpenStudy (anonymous):

Yes that's perfect!

OpenStudy (anonymous):

yeah :D

OpenStudy (anonymous):

Sorry I misunderstood you

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