I dont know…………………..

Answer:
[tex]-3\sqrt{3}[/tex]
Step-by-step explanation:
[tex]-4\sqrt{12}+\sqrt{75}[/tex]
[tex]-4\sqrt{4*3}+\sqrt{25*3}[/tex]
[tex]-4\sqrt{4}\sqrt{3}+\sqrt{25}\sqrt{3}[/tex]
[tex]-4(2)\sqrt{3}+5\sqrt{3}[/tex]
[tex]-8\sqrt{3}+5\sqrt{3}[/tex]
[tex]-3\sqrt{3}[/tex]