SOLUTION: Solve by completing the square. x^2+6x=-8

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Question 613897: Solve by completing the square. x^2+6x=-8

Answer by nerdybill(6948) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2B6x=-8+
take 1/2 'b', square it and add to both sides:
x%5E2%2B6x+%2B9+=-8+%2B9+
%28x%2B3%29%5E2+=+1+
+x%2B3+=+sqrt%281%29+
+x+=+sqrt%281%29-3+
x = {-4, -2}