SOLUTION: how to solve for x exactly: log(x^2+19)=2

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Question 746405: how to solve for x exactly:
log(x^2+19)=2
Answer by fcabanski(1391) About Me  (Show Source):
You can put this solution on YOUR website!
log(base y) (x) = z is the same as y%5Ez+=+x


10%5E2+=+100+=+x%5E2+%2B+19


81+=+x%5E2+


x = 9 or x = -9

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