Solve the logarithmic equation for .

Answer and explanation

Correct answer: C.

**Answer: . Why not the others:** results from an incorrect factoring ; violates the domain requirement ; gives .
  1. Step 1: Apply the logarithm product rule: , with domain restrictions .
  2. Step 2: Exponentiate base 2: . Expanding gives , so . Factoring gives . Since , the only valid root is .

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