Prove that : 2 log 15/18 - log 25/162 + log 4/9 = log 2

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Evaluate :
log₁₀ 8 + log₁₀ 25 + 2 log₁₀ 3 - log₁₀ 18

Express log₁₀ 2 + 1 in the form of log₁₀ x.