a) [tex]8\sqrt{3} + \sqrt{27} = 8\sqrt{3} + 3\sqrt{3} = 11\sqrt{3}[/tex]
b) [tex]7\sqrt{5} - \sqrt{125} = 7\sqrt{5} - 5\sqrt{5} = 2\sqrt{5}[/tex]
c) [tex]\sqrt{48} + \sqrt{12} = 4\sqrt{3} + 2\sqrt{3} = 6\sqrt{3}[/tex]
d) [tex]\sqrt{75} - \sqrt{300} = 5\sqrt{3} - 10\sqrt{3} = -5\sqrt{3}[/tex]
e) [tex]\sqrt{72} + \sqrt{50} - \sqrt{32} = 6\sqrt{2} + 5\sqrt{2} - 4\sqrt{2} = 7\sqrt{2}[/tex]
f) [tex]\sqrt{20} + \sqrt{45} - \sqrt{500} = 2\sqrt{5} + 3\sqrt{5} - 10\sqrt{5} = -5\sqrt{5}[/tex]
