Solving Exponential and Logarithmic Equations

6. Exponential and Logarithmic Functions / Solving Exponential and Logarithmic Equations / Problem 3

Problem 3

Solve the following exponential equation. Give your answer in terms of natural or common logarithms and also give its decimal approximation (3 decimal places).
5^2x + 6(5^x) - 7 = 0

x = 0

x = 1

x = 1/7

x = - 1

Solve the following exponential equation. Give your answer in terms of natural or common logarithms and also give its decimal approximation (3 decimal places).52x + 6(5x) - 7 = 0