Solve $\log _ { 3 } ( x - 5 ) + \log _ { 3 } ( x + 3 ) = \log _ { 3 } 20$

question 60

Multiple Choice

Solve: $\log _ { 3 } ( x - 5 ) + \log _ { 3 } ( x + 3 ) = \log _ { 3 } 20$

• A) no solution
• B) {-5}
• C) {5}
• D) {7}

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