Applicare la formula: $\frac{a}{b}$$=\frac{a}{b}\frac{radicalfactor\left(b\right)}{radicalfactor\left(b\right)}$, dove $a=4x$ e $b=\sqrt{3x-7}$

Applicare la formula: $\frac{a}{b}\frac{c}{f}$$=\frac{ac}{bf}$, dove $a=4x$, $b=\sqrt{3x-7}$, $c=\sqrt{3x-7}$, $a/b=\frac{4x}{\sqrt{3x-7}}$, $f=\sqrt{3x-7}$, $c/f=\frac{\sqrt{3x-7}}{\sqrt{3x-7}}$ e $a/bc/f=\frac{4x}{\sqrt{3x-7}}\frac{\sqrt{3x-7}}{\sqrt{3x-7}}$

Applicare la formula: $x\cdot x$$=x^2$, dove $x=\sqrt{3x-7}$

Applicare la formula: $\left(x^a\right)^b$$=x$, dove $a=\frac{1}{2}$, $b=2$, $x^a^b=\left(\sqrt{3x-7}\right)^2$, $x=3x-7$ e $x^a=\sqrt{3x-7}$