Express as a single logarithm : 2 log₁₀ 9 + 1/4 log₁₀ 81 + 2 log₁₀ 6 - log₁₀ 12

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Express the following as a single logarithm :
2 log₁₀ 5 + 2 log₁₀ 3 − log₁₀ 2 + 1