Algebra-2

Question Analysis
This problem involves solving an exponential equation by substitution and factoring.

Key Concept Explanation
We can use a substitution method to simplify the equation. Let , then the equation becomes a quadratic equation in terms of .

Step-by-step Solution
1. Substitute into the equation: .
2. Factor the quadratic equation: .
3. Solve for : or .
4. Substitute back to find : If , then . If

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