Answer:
14 + 5[tex]\sqrt{3}[/tex]
a = 14, b = 5, c = 3
Step-by-step explanation:
Multiply the brackets out:
[tex](2\sqrt{3} )(3\sqrt{3} ) = (2)(3)(\sqrt{3})(\sqrt{3}) = (6)(3) = 18[/tex]
[tex](2\sqrt{3} -1)(4+3\sqrt{3} ) = 8\sqrt{3} +18 - 4 - 3\sqrt{3}[/tex]
[tex]= 14 + 5\sqrt{3}[/tex]
