SOLUTION: what is the sum of the solution x squared - 12=4

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Question 204676: what is the sum of the solution
x squared - 12=4
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Find the sum of the solutions to:
x%5E2-12+=+4 Subtract 4 from both sides.
x%5E2-16+=+0 Factor the left side.
%28x%2B4%29%28x-4%29+=+0 so the solutions are:
x+=+-4 and x+=+4
The sum of the solutions is:
highlight%28-4%2B4+=+0%29