Solve log equation reducing to quadratic

Logarithmic equation that, after applying laws and exponentiating, produces a quadratic equation in x to solve.

1 questions · Standard +0.3

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CAIE P3 2020 November Q4

6 marks Standard +0.3

4 Solve the equation $$\log _ { 10 } ( 2 x + 1 ) = 2 \log _ { 10 } ( x + 1 ) - 1$$ Give your answers correct to 3 decimal places.