Resposta :


log 375 = Log (3.125) ==> Log 3 + Log5^3

Log3 + 3Log5

   y + 3.x
[tex]\log{135}=\log{(3\times5^3)}=\log{3}+\log{5^3}\\\\=\log{3}+3\log{5}=y+3\cdot x=\boxed{3x+y}[/tex]

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