Answer:
10
Step-by-step explanation:
Your calculator can help you with this.
[tex]6\sqrt{12}-12\sqrt{3}+\sqrt{100}\\\\=6\sqrt{2^2\cdot 3}-12\sqrt{3}+\sqrt{10^2}\\\\=12\sqrt{3}-12\sqrt{3}+10\\\\=10[/tex]
