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Mathematics 14 Online
OpenStudy (anonymous):

solve for x^2-x=13?

OpenStudy (kc_kennylau):

1. Put all things to the LHS 2. Quadratic equation :D

OpenStudy (anonymous):

I did but I got stuck at that

OpenStudy (anonymous):

x^2-x-13

OpenStudy (anonymous):

It won't factor

OpenStudy (kc_kennylau):

Quadratic formula \(x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\)

OpenStudy (anonymous):

oh

OpenStudy (anonymous):

give me a sec

OpenStudy (kc_kennylau):

ok :)

OpenStudy (anonymous):

this is what I got

OpenStudy (anonymous):

|dw:1389077602312:dw|

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