SOLUTION: log(x^2+19) = 2

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Question 187165: log(x^2+19) = 2
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
log is assumed to be base 10

log(x^2+19) = 2

x^2+19 = 10^2

x^2+19 = 100

x^2 = 100 - 19

x^2 = 81

x=-9 or x=9