Learn basics for learning to CONDENSING a logarithmic expression

The video tutorial explains how to condense multiple logarithms into a single logarithm. It begins by outlining the goal of rewriting expressions and then demonstrates the process step-by-step. The example used involves rewriting log base 5 of 7 * 3 X into log base 5 of 21 X. The tutorial concludes by discussing the reverse process of expanding a single logarithm back into multiple logarithms.

What new insight or understanding did you gain from this video?