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February 1, 2015

February 1, 2015

Posted by **Rick** on Thursday, October 3, 2013 at 10:55pm.

solve by completeing the square

1/2x^2 -7x=16

- algebra -
**Steve**, Friday, October 4, 2013 at 5:44am1/2 x^2 - 7x = 16

x^2 - 14x = 32

x^2 - 14x + 49 = 16+49

(x-7)^2 = 65

x-7 = ±√65

x = 7±√65

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