Respuesta :

2[tex] \sqrt{12} [/tex] - 7[tex] \sqrt{3} [/tex] 
= 4[tex] \sqrt{3} [/tex] - 7[tex] \sqrt{3} [/tex]
= Since, we have same bases, we can subtract!
= To get,
= -3[tex] \sqrt{3} [/tex] Answer