Solving Exponential Equations with Different Bases

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Examples, solutions, videos, worksheets, and activities to help PreCalculus students learn how to solve exponential equations with different bases.

Simple Exponential Equations
Steps to solving a simple exponential equation.
Examples:
1. Solve 2^x = 9
2. Solve 4^2x+5 = 4
3. Solve 2 ˙ 3^2x-5 - 3 = 7
Techniques For Solving Exponential Equations Part 1
This lesson shows how to solve exponential equations when the powers cannot be changed into powers with the same base.
Example:
Solve 5^3x-5 = 3^x-2

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Techniques For Solving Exponential Equations Part 2
This lesson shows how to use substitution to solve exponential equations when the powers cannot be changed into powers with the same base.
Examples:
3. Solve 2^2x - 2^x = 12
3. Solve 4^2x - 5(4^x) - 8 = 0

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