3log27 + 2log√8-3log1/25

3log27 + 2log√8-3log1/25 = 9.39

³log27 + ²log√8 - ³log1/25
³log3³ + ²log√4.2 - ³log25-¹
= 3.³log3 + ²log2√2 - ³log(5²)-¹
= 3.1 + √2.²log2 - ³log5-²
=3 + √2.1 - (-2) ³log5
= 3+ √2 +2.³log5