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Condense 2log4 + log3 - log2 + log5

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2\log4 + \log3 -\log2 + \log5= \\ \\ = \log 2^4+ \log3 -\log2 + \log5 = \\ \\ = \log 16+ \log3 -\log2 + \log5 = \\ \\ = \log\Big(16\cdot 3:2\cdot 5\Big) = \log\Big((16\cdot 3\cdot 5)/(2)\Big) = \log(8\cdot 3\cdot 5) = \\ \\ =\log120

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User Gojohnnygo
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