Respuesta :

[tex]3 \sqrt{12} *5 \sqrt{6} = 15 \sqrt{72} [/tex].

Simplifying the radical, we have [tex]15 \sqrt{72} = 15*6 \sqrt{\frac{72}{6^{2}} } =90 \sqrt{2} [/tex], so our answer is [tex]90 \sqrt{2} [/tex].