Answer:
[tex]-2+2\sqrt{5}-12\sqrt{3}[/tex]
Step-by-step explanation:
[tex]-2-2\sqrt{5}-7\sqrt{3}+4\sqrt{5}-5\sqrt{3}\\[/tex]
Collect like terms
[tex]-2\sqrt{5}+4\sqrt{5}=2\sqrt{5}[/tex]
[tex]-7\sqrt{3}-5\sqrt{3}=-12\sqrt{3}[/tex]
So [tex]-2+2\sqrt{5}-12\sqrt{3}[/tex]
