Respuesta :

[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]

Lets simplify ~

[tex]\qquad \sf  \dashrightarrow \: 3 \sqrt{20} \times 4 \sqrt{32} [/tex]

[tex]\qquad \sf  \dashrightarrow \: 12 \sqrt{20 \times 32} [/tex]

[tex]\qquad \sf  \dashrightarrow \: 12 \sqrt{2 {}^{2} \times 5 \times 2 {}^{4} \times 2 } [/tex]

[tex]\qquad \sf  \dashrightarrow \: 12 \sqrt{2 {}^{6} \times 10} [/tex]

[tex]\qquad \sf  \dashrightarrow \: 12 \times {2}^{3} \sqrt{10} [/tex]

[tex]\qquad \sf  \dashrightarrow \: 12 \times 8 \sqrt{10} [/tex]

[tex]\qquad \sf  \dashrightarrow \: 96 \sqrt{10} [/tex]