SOLUTION: solve the equation check for extraneous solutions 7^2x=30

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Question 1007802: solve the equation check for extraneous solutions
7^2x=30
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
7^2x=30
Take the ln of both sides...
ln 7^2x = ln 30
2x*ln 7 = ln 30
2x = ln 30 / ln 7
x = ln 30 /2*ln 7 = .874