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March 26, 2015

March 26, 2015

Posted by **Blake** on Thursday, June 10, 2010 at 8:47pm.

5^2+9x+2=0

- Algebra -
**drwls**, Thursday, June 10, 2010 at 11:45pmAre you sure you don't mean

5x^2+ 9x+ 2 = 0 ?

The answer to what you wrote is

9x = -27

x = -3

The discriminant is b^2-4ac.

In this case a = 5, b = 9 and c = 2.

Take it from there. You may need to review what the quadratic equation is all about. If so, see

http://en.wikipedia.org/wiki/Discriminant

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