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December 21, 2014

December 21, 2014

Posted by **dani** on Sunday, April 25, 2010 at 9:10am.

s^2-5s-6=0

- Algebra -
**Reiny**, Sunday, April 25, 2010 at 9:16amthe discriminant is b^2 - 4ac

= 25 - 4(1)(-6) = 49

which is a perfect square , so the square root part will come out exact,

so you will have 2 different rational roots.

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