2.11: Equation in lg x (repeat)

0606/22/O/N/16 — Question 3 · 5 marks · Log laws, Equations

Identical to Question 2.3 — the same question appeared on paper 22.

Solve the equation 2lgxlg(x+102)=12\lg x - \lg\left(\dfrac{x + 10}{2}\right) = 1.
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