Answer:
D
Step-by-step explanation:
Using the rule of radicals
[tex]\sqrt{a}[/tex] × [tex]\sqrt{b}[/tex] ⇔ [tex]\sqrt{ab}[/tex]
Given
[tex]\sqrt{3}[/tex] ([tex]\sqrt{3}[/tex] + 2[tex]\sqrt{12}[/tex] ) ← distribute
= 3 + 2[tex]\sqrt{36}[/tex]
= 3 + (2 × 6)
= 3 + 12
= 15 → D
