Applicare la formula: $\log_{b}\left(\frac{x}{y}\right)$$=\log_{b}\left(x\right)-\log_{b}\left(y\right)$, dove $b=5$, $x=1$ e $y=25$

Applicare la formula: $\log_{a}\left(b\right)$$=logf\left(b,a\right)$, dove $a=5$, $b=1$ e $a,b=5,1$

Applicare la formula: $x+0$$=x$, dove $x=-\log_{5}\left(25\right)$

Applicare la formula: $\log_{b}\left(x\right)$$=\log_{b}\left(pfgg\left(x,b\right)\right)$, dove $b=5$ e $x=25$

Applicare la formula: $\log_{b}\left(b^a\right)$$=a$, dove $a=2$ e $b=5$