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

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

Algebra.Com

Question 1007802: solve the equation check for extraneous solutions
7^2x=30
Answer by fractalier(6550) (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
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