Thursday

December 18, 2014

December 18, 2014

Posted by **Elaine** on Thursday, July 12, 2007 at 11:57am.

Solve by completing the square.

x^2=5x+2

x^2 -5x -2 = 0

x^2 - 5x + (5/2)^2 -2 = (5/2)^2

(x- 5/2)^2 = 2 + 25/4 = 33/4

x - 5/2 = sqrt (33/4)

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