Applicare la formula: $x^mx^n$$=x^{\left(m+n\right)}$, dove $x=m$, $m=2$ e $n=3$

Applicare la formula: $a+b$$=a+b$, dove $a=2$, $b=3$ e $a+b=2+3$

Applicare la formula: $\frac{a}{b}\frac{c}{f}$$=\frac{ac}{bf}$, dove $a=-3$, $b=7$, $c=7$, $a/b=-\frac{3}{7}$, $f=2$, $c/f=\frac{7}{2}$ e $a/bc/f=-\frac{3}{7}\cdot \frac{7}{2}m^{5}na^2$

Applicare la formula: $ab$$=ab$, dove $ab=7\cdot 2$, $a=7$ e $b=2$

Applicare la formula: $ab$$=ab$, dove $ab=-3\cdot 7$, $a=-3$ e $b=7$