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January 30, 2015

January 30, 2015

Posted by **amber** on Wednesday, September 12, 2012 at 12:47pm.

solve by completing the square to obtain exact solutions

- math -
**Reiny**, Wednesday, September 12, 2012 at 1:02pmx^2 - 8x + .... = -9 + ....

x^2 - 8x + 16 = -9 + 16

(x-4)^2 = 7

x-4 ± √7

x = 4 ± √7

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