Applicare la formula: $\frac{a}{a}$$=1$, dove $a=9$ e $a/a=\frac{9x^4p^7b^3}{9x^2p^5b^2}$

Applicare la formula: $\frac{a^m}{a^n}$$=a^{\left(m-n\right)}$, dove $a^n=x^2$, $a^m=x^4$, $a=x$, $a^m/a^n=\frac{x^4p^7b^3}{x^2p^5b^2}$, $m=4$ e $n=2$

Applicare la formula: $\frac{a^m}{a^n}$$=a^{\left(m-n\right)}$, dove $a^n=p^5$, $a^m=p^7$, $a=p$, $a^m/a^n=\frac{x^{2}p^7b^3}{p^5b^2}$, $m=7$ e $n=5$

Applicare la formula: $\frac{a^m}{a^n}$$=a^{\left(m-n\right)}$, dove $a^n=b^2$, $a^m=b^3$, $a=b$, $a^m/a^n=\frac{x^{2}p^{2}b^3}{b^2}$, $m=3$ e $n=2$