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October 21, 2014

October 21, 2014

Posted by **jane** on Thursday, November 10, 2011 at 10:42am.

Solve and simplify:

x^2+14x-4=0

- algebra -
**Steve**, Thursday, November 10, 2011 at 11:03amsolution, via the quadratic formula:

x = [-14 ± √(196+16)]/2

simplify:

x = (-14 ± √212)/2

= (-14 ± 2√53)/2

= -7 ± √53

Real math types prefer that as the answer. It's exact, and we don' need no steenking decimal places!

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