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April 16, 2014

April 16, 2014

Posted by **Jack** on Thursday, September 20, 2012 at 7:50am.

Solve the quadratic equation by completing the square.

- math -
**Reiny**, Thursday, September 20, 2012 at 8:54amx^2 + (5/2)x = 4

x^2 + (5/2)x**+ 25/16**= 4**+ 25/16**

(x + 5/4)^2 = 89/16

x + 5/4 = ± √89/4

x = (-5 ± √89)/4

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