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Mathematics 16 Online
OpenStudy (jenniferjuice):

Solve x2 + 6x + 4 = 0.

OpenStudy (jenniferjuice):

OpenStudy (jenniferjuice):

@ikram002p @IMStuck

jimthompson5910 (jim_thompson5910):

\[\Large x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}\] now a = 1 b = 6 c = 4

jimthompson5910 (jim_thompson5910):

\[\Large x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}\] \[\Large x=\frac{-6 \pm \sqrt{6^2-4*1*4}}{2*1}\] \[\Large x=??\]

OpenStudy (jenniferjuice):

|dw:1406073612918:dw|

jimthompson5910 (jim_thompson5910):

good now simplify \[\Large \sqrt{20}\]

OpenStudy (jenniferjuice):

|dw:1406073677243:dw|

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