Applicare la formula: $\left(a+b\right)^2$$=a^2+2ab+b^2$, dove $a=-\frac{2}{5}m^6n^3$, $b=-\frac{4}{3}m^2n^5$ e $a+b=-\frac{2}{5}m^6n^3-\frac{4}{3}m^2n^5$

Applicare la formula: $x^mx^n$$=x^{\left(m+n\right)}$, dove $x=m$, $m=6$ e $n=2$

Applicare la formula: $x^mx^n$$=x^{\left(m+n\right)}$, dove $x=n$, $m=3$ e $n=5$

Applicare la formula: $\left(ab\right)^n$$=a^nb^n$

Applicare la formula: $\frac{a}{b}\frac{c}{f}$$=\frac{ac}{bf}$, dove $a=-4$, $b=5$, $c=-4$, $a/b=-\frac{4}{5}$, $f=3$, $c/f=-\frac{4}{3}$ e $a/bc/f=-\frac{4}{5}\cdot -\frac{4}{3}m^{8}n^{8}$